Split (1)

train · 3.18k rows

topic stringclasses 2 values	question stringlengths 22 607	choices listlengths 4 4	answer stringclasses 4 values	explanation stringlengths 13 702	reasoning stringlengths 74 407
blood_relations	Richa introduced a boy to her mother, stating he is the son of the daughter of the father of her uncle. How is Richa related to the boy?	[ "A) Brother-in-law", "B) Brother", "C) Father", "D) Uncle" ]	B	Richa's uncle's father is her grandfather. The daughter of the grandfather is Richa's mother. The son of Richa's mother is Richa's brother. Thus, the boy is Richa's brother.	Step 1: Identify the relationships starting from Richa's uncle. Step 2: Determine the grandfather as the father of the uncle. Step 3: The daughter of the grandfather is Richa's mother. Step 4: The son of Richa's mother is her brother. Step 5: Conclude the boy is Richa's brother.
blood_relations	Ejaz is the son of Kismat. Bharat is the brother of Dharmesh and Garima is Dharmesh’s daughter. Kismat is married to Dharmesh. Fatima is the maternal aunt of Ejaz. What is the relation between Bharat and Ejaz?	[ "A) Uncle & Nephew", "B) Brothers", "C) Father & Son", "D) Father-in-law & Son-in-law" ]	A	Bharat is the brother of Dharmesh, making him Ejaz's uncle. Thus, Bharat is Ejaz's uncle.	Step 1: Bharat is Dharmesh's brother. Step 2: Dharmesh is Ejaz's father. Step 3: Therefore, Bharat is Ejaz's uncle. Step 4: This makes their relation uncle and nephew. Step 5: Confirm the relationship as uncle and nephew.
seating_arrangement	Six friends P, Q, R, S, T, U sit in a row. P sits third from the left. Q sits second to the right of P. R sits at an extreme end. Who could be at position 1?	[ "A) P", "B) Q", "C) R", "D) T" ]	C	P is at position 3, Q at position 5. R is at an extreme end, so position 1 or 6. R could be at position 1.	Step 1: P at position 3, Q second to right means position 5. Step 2: R at extreme means position 1 or 6. Step 3: Test if R can be at position 1. Step 4: No conflicts with other constraints. Step 5: R at position 1 is valid.
seating_arrangement	Five people A, B, C, D, E sit in a circle facing the center. A is left of B. C is opposite D. E is between A and D. Who is right of C?	[ "A) A", "B) B", "C) E", "D) D" ]	B	With A left of B, C opposite D, and E between A and D, the circular arrangement forces B to be right of C.	Step 1: Given A left of B, C opposite D, E between A and D. Step 2: Need to find who is right of C. Step 3: In 5-person circle, opposite means 2-3 positions apart. Step 4: Placing all constraints, B must be adjacent to C. Step 5: B is right of C verified.
blood_relations	A is B's father. C is B's mother. D is C's sister. E is D's husband. How is E related to B?	[ "A) Uncle", "B) Father", "C) Brother", "D) Grandfather" ]	A	D is C's sister, making D the maternal aunt of B. E is D's husband, so E is B's maternal uncle.	Step 1: Given A is father, C is mother of B, D is C's sister, E is D's husband. Step 2: Find E's relation to B. Step 3: D is sister of B's mother, so D is maternal aunt. Step 4: E is husband of aunt, making E uncle. Step 5: E is maternal uncle of B verified.
blood_relations	Prateek is the son of Rashmi. Rashmi is the wife of Sawan. Sawan is the husband of Chitra. How is Prateek related to Chitra?	[ "A) Uncle", "B) Father", "C) Brother", "D) Grandfather" ]	A	Prateek is the brother-in-law of Chitra, making him her uncle.	Step 1: Prateek is the son of Rashmi. Step 2: Rashmi is the wife of Sawan. Step 3: Sawan is Chitra's husband. Step 4: Therefore, Prateek is Chitra's brother-in-law. Step 5: Hence, Prateek is Chitra's uncle.
blood_relations	Kartik is the brother of Preeti. Preeti is the mother of Amrita. How is Kartik related to Amrita?	[ "A) Uncle", "B) Brother", "C) Cousin", "D) Father" ]	A	Kartik is the brother of Preeti, who is the mother of Amrita, making Kartik the uncle.	Step 1: Kartik is the brother of Preeti. Step 2: Preeti is the mother of Amrita. Step 3: Therefore, Kartik is the uncle of Amrita. Step 4: This relationship is confirmed by the family tree. Step 5: Kartik is Amrita's uncle.
seating_arrangement	Five friends A, B, C, D, E sit in a circle facing center. A is left of B. C is opposite D. E is between A and D. Who is right of C?	[ "A) A", "B) B", "C) E", "D) D" ]	B	In the circular arrangement, B is to the right of C.	Step 1: A is left of B. Step 2: C is opposite D. Step 3: E is between A and D. Step 4: Placing all constraints, B must be adjacent to C. Step 5: B is right of C verified.
blood_relations	Ram is the brother of Hema. Hema is the aunt of Monika. How is Ram related to Monika?	[ "A) Uncle", "B) Father", "C) Brother", "D) Grandfather" ]	A	Ram is the brother of Hema, who is the aunt of Monika, making Ram the uncle.	Step 1: Ram is the brother of Hema. Step 2: Hema is the aunt of Monika. Step 3: Therefore, Ram is the uncle of Monika. Step 4: This relationship is confirmed by the family tree. Step 5: Ram is Monika's uncle.
seating_arrangement	Six friends P, Q, R, S, T, U sit in a row. P sits third from left. Q sits second to the right of P. R sits at an extreme end. Who could be at position 1?	[ "A) P", "B) Q", "C) R", "D) T" ]	C	P is at position 3, Q at position 5. R is at an extreme end, so position 1 or 6. R could be at position 1.	Step 1: P at position 3, Q second to right means position 5. Step 2: R at extreme means position 1 or 6. Step 3: Test if R can be at position 1. Step 4: No conflicts with other constraints. Step 5: R at position 1 is valid.
blood_relations	A and B are brothers. C and D are sisters. A's son is D's brother. How is B related to C?	[ "A) Father", "B) Brother", "C) Uncle", "D) Grandfather" ]	B	B is the brother of A, who is the father of D's brother. Since C is D's sister, B is C's brother.	Step 1: A and B are brothers. Step 2: C and D are sisters. Step 3: A's son is D's brother, making A the father of D's brother. Step 4: Since C is D's sister, A is also C's brother. Step 5: Therefore, B, being A's brother, is C's brother.
blood_relations	A is the son of C, while C and Q are sisters to one another. Z is the mother of Q. If P is the son of Z, which statement is correct?	[ "A) Q is the grandfather of A", "B) P is the maternal uncle of A", "C) P is the cousin of A", "D) Z is the brother of C" ]	C	P is the son of Z, who is Q's mother. Since C is Q's sister, Z is also A's grandmother. Thus, P is A's cousin.	Step 1: A is the son of C. Step 2: C and Q are sisters. Step 3: Z is Q's mother, making Z also C's mother. Step 4: P is Z's son, so P is C's son. Step 5: Therefore, P is A's cousin.
blood_relations	Pointing at a photo, Dinesh said, 'His father is the only son of my mother.' The photo belongs to:	[ "A) Dinesh", "B) Dinesh's brother", "C) Dinesh's father", "D) Dinesh's son" ]	B	The man's father is the only son of Dinesh's mother, making the man Dinesh's brother.	Step 1: The man's father is the only son of Dinesh's mother. Step 2: Dinesh's mother's only son is Dinesh himself. Step 3: Since the man is pointing to someone else, it must be Dinesh's brother. Step 4: Therefore, the photo belongs to Dinesh's brother.
blood_relations	Looking at a portrait of a man, Sanjay said, 'His mother is the wife of my father's son. Brothers and sisters I have none.' At whose portrait was Sanjay looking?	[ "A) His son", "B) His nephew", "C) His cousin", "D) His uncle" ]	A	Sanjay has no siblings, so his father's son is himself. The man's mother is Sanjay's wife, making the man Sanjay's son.	Step 1: Sanjay has no brothers or sisters. Step 2: His father's son is himself. Step 3: The man's mother is Sanjay's wife. Step 4: Therefore, the man is Sanjay's son.
blood_relations	A man said to a lady, 'The son of your only brother is the brother of my wife.' What is the lady to the man?	[ "A) Mother", "B) Sister", "C) Sister of father-in-law", "D) Maternal aunt" ]	D	The lady's only brother's son is the brother of the man's wife, making the lady the maternal aunt of the man's wife, hence the man's maternal aunt.	Step 1: The lady's only brother's son is the brother of the man's wife. Step 2: This makes the lady the aunt of the man's wife. Step 3: Therefore, the lady is the man's maternal aunt.
blood_relations	If A is the brother of B and K and D is the mother of B, E is the father of A. Which statement is not definitely true?	[ "A) B is the brother of K", "B) A is the father of K", "C) A is the son of D", "D) D is the wife of E" ]	B	A is the brother of B and K, but it's not stated whether A is the father of K.	Step 1: A is the brother of B and K. Step 2: D is the mother of B. Step 3: E is the father of A. Step 4: A is the son of D. Step 5: D is the wife of E. Step 6: A is not necessarily the father of K.
blood_relations	Introducing a lady, a man said, 'Her mother is the only daughter of my mother-in-law.' What is the man to the lady?	[ "A) Son", "B) Father", "C) Uncle", "D) Husband" ]	A	The lady's mother is the only daughter of the man's mother-in-law, making the man the lady's son.	Step 1: The lady's mother is the only daughter of the man's mother-in-law. Step 2: This makes the lady the granddaughter of the man's mother-in-law. Step 3: Therefore, the man is the lady's son.
blood_relations	Introducing a woman, a man said, 'Her mother's husband's sister is my aunt.' How is the man related to the woman?	[ "A) Nephew", "B) Brother", "C) Brother-in-law", "D) Cousin" ]	D	The woman's mother's husband's sister is the man's aunt, making the man the woman's cousin.	Step 1: The woman's mother's husband's sister is the man's aunt. Step 2: This makes the man the cousin of the woman.
blood_relations	Leela, who is Sohan's daughter, says to Latika, 'Your mother Alka is the younger sister of my father who is the third child of Gajanan.' What is the relation of Gajanan to Latika?	[ "A) Father", "B) Uncle", "C) Grandfather", "D) Father-in-law" ]	C	Leela's father is the third child of Gajanan, making Gajanan Leela's grandfather. Since Alka is Leela's father's sister, Gajanan is also Latika's grandfather.	Step 1: Leela's father is the third child of Gajanan. Step 2: Alka is the younger sister of Leela's father. Step 3: Therefore, Gajanan is the grandfather of both Leela and Latika.
blood_relations	Old man's son is my son's uncle, then what relation has the old man with me?	[ "A) Brother", "B) Father", "C) Grandfather", "D) Uncle" ]	B	The old man's son is the uncle of my son, making the old man my father.	Step 1: The old man's son is the uncle of my son. Step 2: This means the old man's son is my brother. Step 3: Therefore, the old man is my father.
blood_relations	Pointing to a photograph, Arun said, 'She is the mother of my son's wife's daughter.' How is Arun related to the lady?	[ "A) Uncle", "B) Cousin", "C) Father-in-law", "D) None of these" ]	C	The lady is the mother of Arun's son's wife's daughter, making her Arun's daughter-in-law's mother. Thus, Arun is the father-in-law of the lady.	Step 1: Arun's son's wife's daughter is his granddaughter. Step 2: The lady is the mother of his granddaughter. Step 3: Therefore, the lady is Arun's daughter-in-law. Step 4: Hence, Arun is the father-in-law of the lady. Step 5: The correct answer is C.
blood_relations	Pointing to a photograph, a lady tells Pramod, 'I am the only daughter of this lady and her son is your maternal uncle.' How is the speaker related to Pramod's father?	[ "A) Sister-in-law", "B) Wife", "C) Either 1 or 2", "D) Neither 1 nor 2" ]	A	The speaker is the sister of Pramod's father, making her the paternal aunt and sister-in-law to Pramod's father.	Step 1: The speaker is the only daughter of another lady. Step 2: Her son is Pramod's maternal uncle. Step 3: Therefore, the speaker is Pramod's paternal aunt. Step 4: Hence, she is the sister-in-law of Pramod's father. Step 5: The correct answer is A.
blood_relations	Rahul told Anand, 'Yesterday I defeated the only brother of the daughter of my grandmother.' Whom did Rahul defeat?	[ "A) Son", "B) Father", "C) Brother", "D) Father-in-law" ]	C	The daughter of Rahul's grandmother is his mother, whose only brother is Rahul's uncle. Thus, Rahul defeated his uncle.	Step 1: The daughter of Rahul's grandmother is his mother. Step 2: The only brother of his mother is Rahul's uncle. Step 3: Therefore, Rahul defeated his uncle. Step 4: The correct answer is C.
blood_relations	Pointing to an old man, Kunal said, 'His son is my son's uncle.' How is the old man related to Kunal?	[ "A) Brother", "B) Uncle", "C) Father", "D) Grandfather" ]	C	The old man's son is Kunal's brother, making the old man Kunal's father.	Step 1: The old man's son is Kunal's son's uncle. Step 2: Therefore, the old man's son is Kunal's brother. Step 3: Hence, the old man is Kunal's father. Step 4: The correct answer is C.
blood_relations	X introduces Y saying, 'He is the husband of the granddaughter of the father of my father.' How is Y related to X?	[ "A) Brother", "B) Son", "C) Brother-in-law", "D) Nephew" ]	C	The granddaughter of X's father is X's sister, making Y the brother-in-law of X.	Step 1: The father of X's father is X's grandfather. Step 2: The granddaughter of X's grandfather is X's sister. Step 3: Therefore, Y is the husband of X's sister. Step 4: Hence, Y is X's brother-in-law. Step 5: The correct answer is C.
blood_relations	Arun said, 'This girl is the wife of the grandson of my mother.' Who is Arun to the girl?	[ "A) Father", "B) Grandfather", "C) Husband", "D) Father-in-law" ]	D	The grandson of Arun's mother is Arun's son, making the girl Arun's daughter-in-law. Thus, Arun is the father-in-law.	Step 1: The grandson of Arun's mother is Arun's son. Step 2: The girl is the wife of Arun's son. Step 3: Therefore, the girl is Arun's daughter-in-law. Step 4: Hence, Arun is the father-in-law of the girl. Step 5: The correct answer is D.
blood_relations	If Kamal says, 'Ravi's mother is the only daughter of my mother, how is Kamal related to Ravi?	[ "A) Grandfather", "B) Father", "C) Brother", "D) Cannot be determined" ]	B	Ravi's mother is Kamal's mother's only daughter, making Kamal Ravi's father.	Step 1: Ravi's mother is the only daughter of Kamal's mother. Step 2: Therefore, Ravi's mother is Kamal's sister. Step 3: Hence, Kamal is Ravi's father. Step 4: The correct answer is B.
blood_relations	Pointing to a person, a man said to a woman, 'His mother is the only daughter of your father. How was the woman related to the person?	[ "A) Aunt", "B) Mother", "C) Wife", "D) Daughter" ]	B	The woman is the mother of the person because her father is the person's grandfather.	Step 1: The person's mother is the only daughter of the woman's father. Step 2: Therefore, the woman is the person's mother. Step 3: Hence, the correct answer is B.
blood_relations	Pointing to a man in a photograph, a woman said, 'His brother's father is the only son of my grandfather.' How is the woman related to the man in the photograph?	[ "A) Mother", "B) Aunt", "C) Sister", "D) Daughter" ]	A	The man's brother's father is the woman's grandfather's only son, making the woman the man's daughter.	Step 1: The man's brother's father is the only son of the woman's grandfather. Step 2: Therefore, the man's brother's father is the woman's father. Step 3: Hence, the woman is the man's daughter. Step 4: The correct answer is A.
blood_relations	P's father is Q's son. M is the paternal uncle of P and N is the brother of Q. How is N related to M?	[ "A) Brother", "B) Nephew", "C) Cousin", "D) Data inadequate" ]	A	P's father is Q's son, making Q P's grandfather. M is P's paternal uncle, so M is Q's son. N is Q's brother, making N M's brother.	Step 1: P's father is Q's son, so Q is P's grandfather. Step 2: M is P's paternal uncle, so M is Q's son. Step 3: N is Q's brother, making N M's brother. Step 4: The correct answer is A.
blood_relations	A is the uncle of B, who is the daughter of C. C is the daughter-in-law of P. How is A related to P?	[ "A) Brother", "B) Son", "C) Son-in-law", "D) Data inadequate" ]	C	A is the uncle of B, and since C is B's mother and the daughter-in-law of P, A must be the brother of P's son, making A the son-in-law of P.	Step 1: A is the uncle of B, meaning A is the brother of B's parent. Step 2: B is the daughter of C, so A is the brother of C. Step 3: C is the daughter-in-law of P, meaning C is married to P's son. Step 4: Therefore, A is the brother of P's son. Step 5: Hence, A is the son-in-law of P.
blood_relations	X is the brother of the son of Y's son. How is X related to Y?	[ "A) Brother", "B) Cousin", "C) Grandson", "D) Son" ]	C	Y's son has a son, making Y a grandfather. X is the brother of Y's grandson, so X is Y's grandson as well.	Step 1: Y's son has a son, making Y a grandfather. Step 2: X is the brother of Y's grandson. Step 3: Therefore, X is also Y's grandson. Step 4: This makes X the grandson of Y. Step 5: Hence, X is Y's grandson.
blood_relations	F is the brother of A. C is the daughter of A. K is the sister of F. G is the brother of C. How is F related to G?	[ "A) A", "B) C", "C) F", "D) K" ]	C	G is the brother of C, who is the daughter of A. F is A's brother, making F the uncle of G.	Step 1: F is the brother of A, making F the uncle of A's children. Step 2: C is the daughter of A, so F is C's uncle. Step 3: G is the brother of C, so G is A's child. Step 4: Therefore, F is also the uncle of G. Step 5: Hence, F is the uncle of G.
blood_relations	A is the mother of B. C is the son of A. E is the daughter of B. D is the brother of E. How is A related to D?	[ "A) A", "B) B", "C) C", "D) E" ]	A	A is the mother of B, making A the grandmother of B's children. E is B's daughter, and D is E's brother, so A is D's grandmother.	Step 1: A is the mother of B, making A the grandmother of B's children. Step 2: E is the daughter of B, so A is E's grandmother. Step 3: D is the brother of E, so D is also B's child. Step 4: Therefore, A is the grandmother of D. Step 5: Hence, A is the grandmother of D.
blood_relations	B is the husband of P. E is the wife of D and the mother-in-law of P. Q is the only grandson of E. How is B related to D?	[ "A) Nephew", "B) Cousin", "C) Son-in-law", "D) Son" ]	C	E is the mother-in-law of P, meaning E is P's mother. B is P's husband, making B the son-in-law of E. Since E is married to D, B is also the son-in-law of D.	Step 1: E is the mother-in-law of P, so E is P's mother. Step 2: B is the husband of P, making B the son-in-law of E. Step 3: E is married to D, so D is P's father. Step 4: Therefore, B is the son-in-law of D. Step 5: Hence, B is the son-in-law of D.
blood_relations	A, B, and C are sisters. E is the daughter of B. D is the brother of E. How is A related to D?	[ "A) Sister", "B) Cousin", "C) Niece", "D) Aunt" ]	D	E is the daughter of B, making E A's niece. D is the brother of E, so D is also A's niece's brother, making D A's nephew. Therefore, A is the aunt of D.	Step 1: A, B, and C are sisters. Step 2: E is the daughter of B, making E A's niece. Step 3: D is the brother of E, so D is A's nephew. Step 4: Therefore, A is the aunt of D. Step 5: Hence, A is the aunt of D.
blood_relations	Deepak has a brother Anil. Deepak is the son of Prem. Bimal is Prem's father. What is Anil to Bimal?	[ "A) Son", "B) Grandson", "C) Brother", "D) Grandfather" ]	B	Deepak is Prem's son, making Prem the father of Deepak and Anil. Bimal is Prem's father, so Bimal is the grandfather of Deepak and Anil, making Anil Bimal's grandson.	Step 1: Deepak is the son of Prem, making Prem the father of Deepak and Anil. Step 2: Bimal is Prem's father, so Bimal is the grandfather of Deepak and Anil. Step 3: Therefore, Anil is the grandson of Bimal. Step 4: Hence, Anil is Bimal's grandson.
blood_relations	A and B are a married couple. X and Y are brothers. X is the brother of A. How is Y related to B?	[ "A) Brother-in-law", "B) Brother", "C) Cousin", "D) None of these" ]	A	X is A's brother, making X B's brother-in-law. Since X and Y are brothers, Y is also B's brother-in-law.	Step 1: X is the brother of A, making X the brother-in-law of B. Step 2: Y is the brother of X, so Y is also the brother-in-law of B. Step 3: Therefore, Y is B's brother-in-law. Step 4: Hence, Y is B's brother-in-law.
blood_relations	M is the brother of N. B is the brother of N. M is the brother of D. Which statement is definitely true?	[ "A) N is the brother of B", "B) N is the brother of D", "C) M is the brother of B", "D) D is the brother of M" ]	C	M is the brother of N, and B is also the brother of N, making M and B brothers. M is the brother of D, so D is also the brother of M.	Step 1: M is the brother of N, and B is also the brother of N, making M and B brothers. Step 2: M is the brother of D, so D is the brother of M. Step 3: Therefore, both C and D are true. Step 4: However, the question asks for definitely true, and both could be correct. Step 5: But since the options are single choices, C is the correct answer as M is the brother of B.
blood_relations	D, the son-in-law of B, is the brother-in-law of A who is the brother of C. How is A related to B?	[ "A) Brother", "B) Son", "C) Father", "D) Data inadequate" ]	B	D is the son-in-law of B and brother-in-law of A. This means B is the father/mother of D's wife, and A is the brother of D's wife. Thus, A is B's son.	Step 1: D is son-in-law of B, meaning D is married to B's child. Step 2: D is brother-in-law of A, so A is the sibling of D's spouse. Step 3: Since A is the brother of C, and D is married to A's sibling, B must be the parent of A. Step 4: Therefore, A is B's son. Step 5: Confirmed that A is B's son.
blood_relations	Deepak is brother of Ravi. Reena is sister of Atul. Ravi is son of Reena. How is Deepak related to Reena?	[ "A) Son", "B) Brother", "C) Nephew", "D) Father" ]	A	Deepak is brother of Ravi, who is the son of Reena. Thus, Deepak is the son of Reena.	Step 1: Deepak is Ravi's brother. Step 2: Ravi is Reena's son. Step 3: Therefore, Deepak and Ravi share the same parents. Step 4: Since Ravi is Reena's son, Deepak must also be Reena's son. Step 5: Deepak is Reena's son.
blood_relations	Q's mother is sister of P and daughter of M. S is the daughter of P and sister of T. How is M related to T?	[ "A) Grandmother", "B) Father", "C) Grandfather", "D) Grandfather or Grandmother" ]	D	S is the daughter of P and sister of T. So, T is the daughter of P. Now, the sister of P is the daughter of M. This means that P is the son or daughter of M. Clearly, T is the granddaughter of M. So, M is the grandfather or grandmother of T.	Step 1: Q's mother is sister of P, making P the aunt/uncle of Q. Step 2: Q's mother is daughter of M, so M is Q's grandmother. Step 3: S is daughter of P and sister of T, so T is also daughter of P. Step 4: Since P is M's child, T is M's granddaughter. Step 5: M is either grandfather or grandmother of T.
blood_relations	Q is the brother of R; P is the sister of Q; T is brother of S; S is the daughter of R. Who are the cousins of Q?	[ "A) R and P", "B) P and T", "C) Q and T", "D) S and T" ]	A	Q's brother is R, so R is the cousin of Q. P is Q's sister, and since R is the brother of Q, P is also the cousin of Q.	Step 1: Q's brother is R. Step 2: P is Q's sister. Step 3: T is brother of S, who is daughter of R. Step 4: S is R's daughter, making T R's son. Step 5: R and P are Q's siblings, so they are Q's cousins.
blood_relations	A is father of C and D is son of B. E is brother of A. If C is sister of D, How is B related to E?	[ "A) Daughter", "B) Brother-in-law", "C) Husband", "D) Sister-in-law" ]	D	A is father of C and C is sister of D. So, A is father of D. But D is son of B. So, B is the mother of D and wife of A. Also, E is the brother of A. So, B is the sister-in-law of E.	Step 1: A is father of C. Step 2: C is sister of D, so A is also father of D. Step 3: D is son of B, so B is D's mother. Step 4: Since A is D's father, B is A's wife. Step 5: E is A's brother, making B E's sister-in-law.
blood_relations	E is the son of A. D is the son of B. E married to C. C is B's daughter. How is D related to E?	[ "A) Brother", "B) Uncle", "C) Father-in-law", "D) Brother-in-law" ]	D	C is B's daughter and D is B's son. So, D is the brother of C. E is married to C. So, E is the husband of C, whose brother is D. Thus, D is the brother-in-law of E.	Step 1: E is son of A. Step 2: D is son of B. Step 3: E married to C, who is B's daughter. Step 4: D is C's brother. Step 5: D is E's brother-in-law.
blood_relations	P is the son of Q while Q and R are the sisters to one another. T is the mother of R. If S is the son of T, which of the following statements is correct?	[ "A) T is the brother of Q", "B) S is the cousin of P", "C) Q and S are sisters", "D) S is the maternal uncle of P" ]	D	Q and R are sisters, so T is the mother of R, meaning T is the mother of both Q and R. S is the son of T, meaning S is the brother of Q. Thus, P is the son of Q, making S the maternal uncle of P.	Step 1: Q and R are sisters. Step 2: T is mother of R, so T is also mother of Q. Step 3: S is son of T, making S brother of Q. Step 4: P is son of Q, so S is P's maternal uncle. Step 5: S is the maternal uncle of P.
blood_relations	P's father Q is B's paternal uncle and A's husband M is P's paternal uncle. How is A related to B?	[ "A) Cousin", "B) Aunt", "C) Mother", "D) Data inadequate" ]	C	Q is the paternal uncle of B, meaning Q is the brother of P's father. P is the son of Q. So, B's father and P's father are brothers. Also, M is the paternal uncle of P, meaning M is the brother of P's father. So, M is the father of B. Since A is the wife of M, so A is the mother of B.	Step 1: Q is paternal uncle of B, so Q is brother of B's father. Step 2: M is paternal uncle of P, so M is brother of P's father. Step 3: Since Q is P's father, M must be B's father. Step 4: A is wife of M, so A is B's mother. Step 5: A is mother of B.
blood_relations	C is A's father's nephew. D is A's cousin but not the brother of C. How is D related to C?	[ "A) Father", "B) Sister", "C) Mother", "D) Aunt" ]	B	C is A's father's nephew, meaning C is the son of A's father's brother i.e., C is the cousin of A. D is also A's cousin. So, D must be real brother or sister of C. But D is not brother of C. So, D must be sister of C.	Step 1: C is A's father's nephew, so C is cousin of A. Step 2: D is A's cousin. Step 3: Since D is not brother of C, D must be sister of C. Step 4: D is sister of C. Step 5: D is sister of C.
blood_relations	A is the brother of B. B is the brother of C. D is the father of A. Which of the following cannot be definitely true?	[ "A) B is the brother of A", "B) B is the son of D", "C) A is the brother of C", "D) C is the brother of A" ]	D	A is the brother of B and B is the brother of C. So, C may be the brother or sister of A.	Step 1: A is the brother of B. Step 2: B is the brother of C. Step 3: D is the father of A. Step 4: C could be the brother or sister of A. Step 5: Therefore, C being the brother of A cannot be definitely true.
blood_relations	P is the brother of Q and R. S is R's mother. T is P's father. Which of the following cannot be definitely true?	[ "A) T is Q's father", "B) S is P's mother", "C) P is S's son", "D) T is S's husband" ]	A	P, Q, R are children of the same parents. S is R's mother and T is P's father. It is not mentioned whether Q is male or female, so Q being T's son cannot be definitely true.	Step 1: P, Q, R are siblings. Step 2: S is R's mother, T is P's father. Step 3: S and T are parents of P, Q, R. Step 4: Q's gender is not specified. Step 5: Therefore, Q being T's son cannot be definitely true.
blood_relations	A, B, C, D, E, F, and G are family members. A and D are brothers, A is a doctor, E is an engineer married to one of the brothers, B is married to D, and G is their child. Who is C?	[ "A) A's son", "B) E's daughter", "C) F's father", "D) G's brother" ]	A	E is married to A, having two children, C and F. C is A's son.	Step 1: E is married to A. Step 2: A and E have two children. Step 3: B and D have a child G. Step 4: Only F and G are girls. Step 5: C is A's son.
blood_relations	Shobha is the niece of Ashish. Ashish's mother is Priya. Kamla is Priya's mother. Kamla's husband is Hari. Krishna is Hari's mother-in-law. How is Shobha related to Hari?	[ "A) Daughter", "B) Great grand daughter", "C) Grand niece", "D) Great grandson's daughter" ]	B	Shobha is the great-granddaughter of Hari.	Step 1: Shobha is Ashish's niece. Step 2: Priya is Ashish's mother. Step 3: Hari is Priya's father. Step 4: Shobha is Priya's granddaughter. Step 5: Shobha is Hari's great-granddaughter.
blood_relations	A family has six members: A, B, C, D, E, F. A and E are F's sons. D is the mother of two, one boy and one girl. B is A's son. There is one married couple. Who is C?	[ "A) A, B, and C are all females", "B) A is the husband of D", "C) D is F's granddaughter", "D) E and F are D's children" ]	B	A is the husband of D, having two children, B and C.	Step 1: A, E, B are male. Step 2: C, D, F are female. Step 3: D has one boy and one girl. Step 4: A and D form a couple. Step 5: A is the husband of D.
blood_relations	K is the brother of N and X. Y is N's mother. Z is K's father. Which statement is not definitely true?	[ "A) K is Z's son", "B) Y is Z's wife", "C) K is Y's son", "D) Z is X's father" ]	C	K is the son of Y and Z, making C correct.	Step 1: K is N and X's brother. Step 2: Y is N's mother. Step 3: Z is K's father. Step 4: Y is Z's wife. Step 5: K is Y's son.
blood_relations	Kalyani is Veena's mother-in-law. Veena is Ashok's sister-in-law. Dheeraj is Sudeep's father, who is Ashok's only brother. How is Kalyani related to Ashok?	[ "A) Cousin", "B) Wife", "C) Mother-in-law", "D) Aunt" ]	C	Kalyani is Veena's mother-in-law, making her Ashok's mother-in-law.	Step 1: Veena is Ashok's sister-in-law. Step 2: Kalyani is Veena's mother-in-law. Step 3: Kalyani is Ashok's mother-in-law.
seating_arrangement	Five friends A, B, C, D, E sit in a circle facing center. A is left of B. C is opposite D. E is between A and D. Who is right of C?	[ "A) A", "B) B", "C) E", "D) D" ]	B	With A left of B, C opposite D, and E between A and D, the circular arrangement forces B to be right of C.	Step 1: Given A left of B, C opposite D, E between A and D. Step 2: Need to find who is right of C. Step 3: In 5-person circle, opposite means 2-3 positions apart. Step 4: Placing all constraints, B must be adjacent to C. Step 5: B is right of C verified.
blood_relations	A is B's father. C is B's mother. D is C's sister. E is D's husband. How is E related to B?	[ "A) Uncle", "B) Father", "C) Brother", "D) Grandfather" ]	A	D is C's sister, making D the maternal aunt of B. E is D's husband, so E is B's maternal uncle.	Step 1: Given A is father, C is mother of B, D is C's sister, E is D's husband. Step 2: Find E's relation to B. Step 3: D is sister of B's mother, so D is maternal aunt. Step 4: E is husband of aunt, making E uncle. Step 5: E is maternal uncle of B verified.
seating_arrangement	Six friends P, Q, R, S, T, U sit in a row. P sits third from left. Q sits second to right of P. R sits at an extreme end. Who could be at position 1?	[ "A) P", "B) Q", "C) R", "D) T" ]	C	P is at position 3, Q at position 5. R is at an extreme end, so position 1 or 6. R could be at position 1.	Step 1: P at position 3, Q second to right means position 5. Step 2: R at extreme means position 1 or 6. Step 3: Test if R can be at position 1. Step 4: No conflicts with other constraints. Step 5: R at position 1 is valid.
blood_relations	Pointing to a man, Priya said he is the only son of my grandfather's only child. Priya's grandfather had only one child. How is the man related to Priya?	[ "A) Brother", "B) Father", "C) Uncle", "D) Cousin" ]	A	Priya's grandfather's only child must be one of Priya's parents. The only son of that parent is Priya's brother.	Step 1: Grandfather has only one child who must be Priya's parent. Step 2: The man is the only son of this parent. Step 3: If parent has only one son and Priya exists, Priya could be daughter or the man is Priya if male. Step 4: Since Priya is pointing to the man, they are different people. Step 5: Man is Priya's brother.
seating_arrangement	Five persons sit on a bench. Blue-eyed lady in the middle is my mother. Extreme left is my maternal uncle. Lady at extreme right has a pimple and is wife of the person between blue-eyed lady and grey-haired man. Lady with marks is the younger sister of blue-eyed lady. Person with pointed nose is the son of blue-eyed lady. What is the lady with marks to the man at extreme left?	[ "A) Wife", "B) Maternal Aunt", "C) Sister", "D) Sister-in-law" ]	D	The lady with marks is the younger sister of the blue-eyed lady, making her the sister-in-law of the man at the extreme left.	Step 1: Blue-eyed lady is mother. Step 2: Extreme left is maternal uncle. Step 3: Lady with marks is younger sister of mother. Step 4: Younger sister of mother is sister-in-law to maternal uncle. Step 5: Lady with marks is sister-in-law to man at extreme left.
blood_relations	Akash said to Mohit, 'That boy in blue shirt is younger of the two brothers of the daughter of my father's wife.' How is the boy in the blue shirt related to Akash?	[ "A) Father", "B) Uncle", "C) Brother", "D) Nephew" ]	C	The boy is the younger brother of Akash's sister, making him Akash's brother.	Step 1: Daughter of Akash's father's wife is Akash's sister. Step 2: Two brothers of sister are Akash and another brother. Step 3: Younger brother is Akash's brother. Step 4: Boy in blue shirt is Akash's brother. Step 5: Verified.
blood_relations	Arun said, 'This girl is the wife of the grandson of my mother.' Who is Arun to the girl?	[ "A) Father", "B) Grandfather", "C) Husband", "D) Father-in-law" ]	D	The girl is the wife of Arun's grandson, making Arun the father-in-law.	Step 1: Girl is wife of grandson of Arun's mother. Step 2: Arun's mother's grandson is Arun's son's son. Step 3: Wife of Arun's grandson is Arun's daughter-in-law. Step 4: Arun is father-in-law to the girl. Step 5: Verified.
blood_relations	Pointing to Ketan, Namarata said, 'He is the son of my father's only son.' How is Ketan's mother related to Namarata?	[ "A) Daughter", "B) Aunt", "C) Sister", "D) Sister-in-law" ]	C	Ketan's mother is Namarata's sister as she is the only son's wife.	Step 1: Ketan is son of Namarata's father's only son. Step 2: Only son is Namarata's brother. Step 3: Ketan's mother is Namarata's brother's wife. Step 4: Namarata's brother's wife is Namarata's sister-in-law. Step 5: Ketan's mother is Namarata's sister-in-law.
blood_relations	A, B, and C are sisters. D is the brother of E, and E is the daughter of B. How is A related to D?	[ "A) Sister", "B) Cousin", "C) Niece", "D) Aunt" ]	C	A is the aunt of E, and since D is E's brother, A is D's aunt.	Step 1: A, B, C are sisters. Step 2: E is daughter of B, making E A's niece. Step 3: D is brother of E, so D is A's nephew. Step 4: A is aunt of D. Step 5: Verified.
blood_relations	P's father is Q's son. M is the paternal uncle of P, and N is the brother of Q. How is N related to M?	[ "A) Brother", "B) Cousin", "C) Nephew", "D) Data inadequate" ]	D	Insufficient data to determine the exact relationship.	Step 1: P's father is Q's son. Step 2: M is paternal uncle of P. Step 3: N is brother of Q. Step 4: Relationship between N and M is unclear. Step 5: Data inadequate.
blood_relations	A girl introduced a boy as the son of the daughter of her uncle's father. What is the boy to the girl?	[ "A) Brother", "B) Son", "C) Uncle", "D) Cousin" ]	D	The boy is the son of the girl's cousin, making him her cousin.	Step 1: Daughter of uncle's father is the girl's cousin. Step 2: Son of cousin is the girl's cousin. Step 3: Verified.
blood_relations	Suresh's sister is Ram's wife. Ram is Rani's brother. Ram's father is Madhur. Sheetal is Ram's grandmother. Rema is Sheetal's daughter-in-law. Rohit is Rani's brother's son. Who is Rohit to Suresh?	[ "A) Brother-in-law", "B) Son", "C) Brother", "D) Nephew" ]	D	Rohit is Rani's brother's son, making him Suresh's nephew.	Step 1: Suresh's sister is Ram's wife. Step 2: Ram is Rani's brother. Step 3: Rohit is Rani's brother's son. Step 4: Rohit is Suresh's nephew. Step 5: Verified.
blood_relations	Vinod introduces Vishal as the son of the only brother of his father's wife. How is Vinod related to Vishal?	[ "A) Cousin", "B) Brother", "C) Son", "D) Uncle" ]	A	Vishal is the son of Vinod's uncle, making him Vinod's cousin.	Step 1: Vishal is son of only brother of Vinod's father's wife. Step 2: Only brother is Vinod's uncle. Step 3: Vishal is Vinod's cousin. Step 4: Verified.
blood_relations	Pointing to a man, Roshani said his wife is the only daughter-in-law of her father-in-law Mohan. How is the man related to Mohan?	[ "A) Son", "B) Uncle", "C) Father", "D) Brother" ]	A	The man is Mohan's son as his wife is the only daughter-in-law.	Step 1: Wife is only daughter-in-law of Mohan. Step 2: Man is Mohan's son. Step 3: Verified.
seating_arrangement	Six people sit in a row. P sits third from left. Q sits second to right of P. R sits at an extreme end. Who could be at position 1?	[ "A) P", "B) Q", "C) R", "D) T" ]	C	P is at position 3, Q at position 5. R is at an extreme end, so position 1 or 6. R could be at position 1.	Step 1: P at position 3, Q second to right means position 5. Step 2: R at extreme means position 1 or 6. Step 3: Test if R can be at position 1. Step 4: No conflicts with other constraints. Step 5: R at position 1 is valid.
blood_relations	A girl introduced a boy as the son of the daughter of her uncle's father. What is the boy to the girl?	[ "A) Brother", "B) Son", "C) Uncle", "D) Cousin" ]	D	The boy is the son of the girl's cousin, making him her cousin.	Step 1: Daughter of uncle's father is the girl's cousin. Step 2: Son of cousin is the girl's cousin. Step 3: Verified.
seating_arrangement	Five people A, B, C, D, E sit in a circle facing center. A is left of B. C is opposite D. E is between A and D. Who is right of C?	[ "A) A", "B) B", "C) E", "D) D" ]	B	With A left of B, C opposite D, and E between A and D, the circular arrangement forces B to be right of C.	Step 1: Given A left of B, C opposite D, E between A and D. Step 2: Need to find who is right of C. Step 3: In 5-person circle, opposite means 2-3 positions apart. Step 4: Placing all constraints, B must be adjacent to C. Step 5: B is right of C verified.
blood_relations	Pointing to a photograph of a boy, Suresh said, 'He is the son of the only son of my mother.' How is Suresh related to that boy?	[ "A) Brother", "B) Uncle", "C) Cousin", "D) Father" ]	D	Suresh is the father of the boy because the only son of his mother is himself, making the boy his son.	Step 1: Suresh's mother has only one son, who is Suresh. Step 2: The boy is the son of this only son. Step 3: Therefore, the boy is Suresh's son. Step 4: This makes Suresh the father of the boy. Step 5: The correct relation is father.
blood_relations	A is the brother of B; B is the sister of C; and C is the father of D. How is D related to A?	[ "A) Brother", "B) Sister", "C) Nephew", "D) Cannot be determined" ]	C	D is the nephew of A because C is A's brother and D is C's son.	Step 1: A is the brother of B. Step 2: B is the sister of C, making C the brother of A. Step 3: C is the father of D. Step 4: Therefore, D is the son of A's brother. Step 5: D is A's nephew.
blood_relations	Introducing a boy, a girl said, 'He is the son of the daughter of the father of my uncle.' How is the boy related to the girl?	[ "A) Brother", "B) Nephew", "C) Uncle", "D) Son-in-law" ]	B	The boy is the nephew of the girl because he is the son of her uncle's daughter.	Step 1: The girl's uncle has a daughter. Step 2: The daughter has a son. Step 3: Therefore, the boy is the son of the girl's cousin. Step 4: This makes the boy the nephew of the girl. Step 5: The correct relation is nephew.
blood_relations	Pointing to a photograph, Lata says, 'He is the son of the only son of my grandfather.' How is the man in the photograph related to Lata?	[ "A) Brother", "B) Uncle", "C) Cousin", "D) Data is inadequate" ]	D	The relationship cannot be determined without more information about Lata's family structure.	Step 1: The only son of Lata's grandfather is her father. Step 2: The son of her father is her brother. Step 3: However, without knowing if Lata has other siblings, the relation cannot be confirmed. Step 4: The data is inadequate to determine the exact relationship. Step 5: Therefore, the answer is data is inadequate.
blood_relations	D is the brother of B. To determine how B is related to C, which of the following statements is/are necessary? 1. The son of D is the grandson of C. 2. B is the sister of D.	[ "A) Only 1", "B) Only 2", "C) Either 1 or 2", "D) 1 and 2 both are required" ]	C	Either statement 1 or 2 is sufficient to determine the relationship.	Step 1: If statement 1 is true, the son of D is the grandson of C, making C the father of D. Step 2: Therefore, B is the sister of D, making B the daughter of C. Step 3: If statement 2 is true, B is the sister of D, making B the daughter of C. Step 4: Either statement alone is sufficient. Step 5: Therefore, either 1 or 2 is necessary.
blood_relations	Pointing to a photograph, Bajpai said, 'He is the son of the only daughter of the father of my brother.' How is Bajpai related to the man in the photograph?	[ "A) Nephew", "B) Brother", "C) Father", "D) Maternal Uncle" ]	D	Bajpai is the maternal uncle of the man because the man is the son of Bajpai's brother's only daughter.	Step 1: The father of Bajpai's brother is Bajpai's father. Step 2: The only daughter of Bajpai's father is Bajpai's sister. Step 3: The son of Bajpai's sister is Bajpai's nephew. Step 4: Therefore, Bajpai is the maternal uncle of the man. Step 5: The correct relation is maternal uncle.
blood_relations	Deepak said to Nitin, 'That boy playing with the football is the younger of the two brothers of the daughter of my father's wife.' How is the boy playing football related to Deepak?	[ "A) Son", "B) Brother", "C) Cousin", "D) Brother-in-law" ]	C	The daughter of Deepak's father's wife is Deepak's sister. The boy is the younger brother of Deepak's sister, making him Deepak's cousin.	Step 1: Identify the daughter of Deepak's father's wife as Deepak's sister. Step 2: The boy is the younger brother of Deepak's sister. Step 3: Therefore, the boy is Deepak's cousin. Step 4: Confirm the relationship. Step 5: The correct answer is Cousin.
blood_relations	Pointing a photograph, X said to his friend Y, 'She is the only daughter of the father of my mother.' How is X related to the person in the photograph?	[ "A) Daughter", "B) Son", "C) Nephew", "D) Cannot be decided" ]	B	The father of X's mother is X's grandfather. The only daughter of X's grandfather is X's aunt. Therefore, X is the son of this aunt.	Step 1: The father of X's mother is X's grandfather. Step 2: The only daughter of the grandfather is X's aunt. Step 3: X is the son of this aunt. Step 4: Therefore, X is the nephew of the person in the photograph. Step 5: The correct answer is Nephew.
blood_relations	Veena, who is the sister-in-law of Ashok, is the daughter-in-law of Kalyani. Dheeraj is the father of Sudeep, who is the only brother of Ashok. How is Kalyani related to Ashok?	[ "A) Mother-in-law", "B) Aunt", "C) Wife", "D) None of these" ]	A	Veena is the daughter-in-law of Kalyani, meaning Kalyani is Veena's mother-in-law. Since Veena is Ashok's sister-in-law, Kalyani is Ashok's mother-in-law.	Step 1: Veena is the sister-in-law of Ashok. Step 2: Veena is the daughter-in-law of Kalyani. Step 3: Therefore, Kalyani is the mother-in-law of Veena. Step 4: Since Veena is Ashok's sister-in-law, Kalyani is Ashok's mother-in-law. Step 5: The correct answer is Mother-in-law.
blood_relations	Pointing to a woman, Abhijit said, 'Her granddaughter is the only daughter of my brother.' How is the woman related to Abhijit?	[ "A) Sister", "B) Grandmother", "C) Mother-in-law", "D) Mother" ]	D	The woman's granddaughter is the only daughter of Abhijit's brother, making the woman the mother of Abhijit's brother's daughter, hence Abhijit's mother.	Step 1: The woman's granddaughter is the only daughter of Abhijit's brother. Step 2: Therefore, the woman is the mother of Abhijit's brother's daughter. Step 3: Hence, the woman is Abhijit's mother. Step 4: Confirm the relationship. Step 5: The correct answer is Mother.
blood_relations	Amit said, 'This girl is the wife of the grandson of my mother.' How is Amit related to the girl?	[ "A) Brother", "B) Grandfather", "C) Husband", "D) Father-in-law" ]	A	The grandson of Amit's mother is Amit's son. The wife of Amit's son is Amit's daughter-in-law, making Amit the father-in-law. However, the closest relation here is Brother.	Step 1: The grandson of Amit's mother is Amit's son. Step 2: The wife of Amit's son is Amit's daughter-in-law. Step 3: However, the girl is the wife of Amit's son, making Amit the father-in-law. Step 4: But considering the options, Brother is the closest relation. Step 5: The correct answer is Brother.
blood_relations	A and B are children of D. Who is the father of A? To answer this question, which of the statements (1) and (2) is necessary?	[ "A) Only (1)", "B) Only (2)", "C) Either (1) or (2)", "D) (1) and (2) both" ]	C	Either statement (1) or (2) is sufficient to determine the father of A.	Step 1: Statement (1) provides information about C being the brother of A. Step 2: Statement (2) provides information about F being the mother of B. Step 3: Either statement can help determine the father of A. Step 4: Therefore, either (1) or (2) is necessary. Step 5: The correct answer is Either (1) or (2).
blood_relations	Pointing towards a man, a woman said, 'His mother is the only daughter of my mother.' How is the woman related to the man?	[ "A) Mother", "B) Grandmother", "C) Sister", "D) Daughter" ]	A	The woman's mother has only one daughter, who is the man's mother. Therefore, the woman is the man's mother.	Step 1: The woman's mother has only one daughter. Step 2: That daughter is the man's mother. Step 3: Therefore, the woman is the man's mother. Step 4: Confirm the relationship. Step 5: The correct answer is Mother.
blood_relations	Introducing Sonia, Aamir says, 'She is the wife of the only nephew of the only brother of my mother.' How is Sonia related to Aamir?	[ "A) Wife", "B) Sister", "C) Sister-in-law", "D) Data is inadequate" ]	C	The only nephew of Aamir's mother's only brother is Aamir's cousin. Sonia is the wife of this cousin, making her Aamir's sister-in-law.	Step 1: The only brother of Aamir's mother is Aamir's uncle. Step 2: The only nephew of this uncle is Aamir's cousin. Step 3: Sonia is the wife of this cousin. Step 4: Therefore, Sonia is Aamir's sister-in-law. Step 5: The correct answer is Sister-in-law.
blood_relations	Shashank's son has a daughter. The woman introduced is the mother of this daughter. How is this woman related to Shashank?	[ "A) Daughter", "B) Sister-in-law", "C) Wife", "D) Daughter-in-law" ]	D	The woman is the mother of Shashank's granddaughter, making her his daughter-in-law.	Step 1: Shashank's son has a daughter. Step 2: The woman is the mother of this daughter. Step 3: Therefore, she is the daughter-in-law. Step 4: Verified. Step 5: Correct answer.
blood_relations	Varman's father has sons, and Madhav is the only son of one of those sons. How is Varman related to Madhav?	[ "A) Nephew", "B) Uncle", "C) Father or Uncle", "D) Father" ]	C	Varman could be Madhav's father or uncle based on the statement.	Step 1: Madhav is the only son. Step 2: Varman's father has sons. Step 3: Varman could be father or uncle. Step 4: Both possibilities valid. Step 5: Conclusion reached.
blood_relations	Anjali's grandfather has only one son, who is the father of the man in the photograph. How is the man in the photograph related to Anjali?	[ "A) Brother", "B) Uncle", "C) Son", "D) Data is inadequate" ]	C	The man is Anjali's son.	Step 1: Only son of grandfather. Step 2: Son of that son. Step 3: Anjali's son. Step 4: Verified. Step 5: Correct.
blood_relations	P is the mother of K; K is the sister of D; D is the father of J. How is P related to J?	[ "A) Mother", "B) Grandmother", "C) Aunt", "D) Data inadequate" ]	B	P is the grandmother of J.	Step 1: P is mother of K. Step 2: K is sister of D. Step 3: D is father of J. Step 4: P is grandmother. Step 5: Verified.
blood_relations	Deepak's daughter's father's only brother is the person being pointed to. How is this person related to Deepak?	[ "A) Father", "B) Grandfather", "C) Uncle", "D) Brother-in-law" ]	A	The person is Deepak's father.	Step 1: Only brother is father. Step 2: Of daughter's father. Step 3: Person is grandfather. Step 4: Wait, re-evaluate. Step 5: Actually, person is father.
blood_relations	A is B's father. C is B's mother. D is C's sister. E is D's husband. How is E related to B?	[ "A) Uncle", "B) Father", "C) Brother", "D) Grandfather" ]	A	D is C's sister, making D the maternal aunt of B. E is D's husband, so E is B's maternal uncle.	Step 1: Given A is father, C is mother of B, D is C's sister, E is D's husband. Step 2: Find E's relation to B. Step 3: D is sister of B's mother, so D is maternal aunt. Step 4: E is husband of aunt, making E uncle. Step 5: E is maternal uncle of B verified.
blood_relations	Priya's grandfather had only one child, who is Priya's parent. The man is the only son of that parent. How is the man related to Priya?	[ "A) Brother", "B) Father", "C) Uncle", "D) Cousin" ]	A	Priya's grandfather's only child must be one of Priya's parents. The only son of that parent is Priya's brother.	Step 1: Grandfather has only one child who must be Priya's parent. Step 2: The man is the only son of this parent. Step 3: If parent has only one son and Priya exists, Priya could be daughter or the man is Priya if male. Step 4: Since Priya is pointing to the man, they are different people. Step 5: Man is Priya's brother.
seating_arrangement	Six friends P, Q, R, S, T, U sit in a row. P sits third from left. Q sits second to the right of P. R sits at an extreme end. Who could be at position 1?	[ "A) P", "B) Q", "C) R", "D) T" ]	C	P is at position 3, Q at position 5. R is at an extreme end, so position 1 or 6. R could be at position 1.	Step 1: P at position 3, Q second to right means position 5. Step 2: R at extreme means position 1 or 6. Step 3: Test if R can be at position 1. Step 4: No conflicts with other constraints. Step 5: R at position 1 is valid.
blood_relations	A's son B is married to C, whose sister D is married to E, the brother of B. How is D related to A?	[ "A) Sister", "B) Daughter-in-law", "C) Sister-in-law", "D) Cousin" ]	B	D is the sister of C, who is married to B. Therefore, D is the sister-in-law of B, making her the daughter-in-law of A.	Step 1: B is A's son. Step 2: B is married to C. Step 3: C's sister is D. Step 4: D is married to E, who is B's brother. Step 5: D is the sister-in-law of B and daughter-in-law of A.
seating_arrangement	Five people A, B, C, D, E sit in a circle facing the center. A is to the left of B. C is opposite D. E is between A and D. Who is to the right of C?	[ "A) A", "B) B", "C) E", "D) D" ]	B	With A to the left of B, C opposite D, and E between A and D, the circular arrangement forces B to be to the right of C.	Step 1: Given A left of B, C opposite D, E between A and D. Step 2: Need to find who is right of C. Step 3: In a 5-person circle, opposite means 2-3 positions apart. Step 4: Placing all constraints, B must be adjacent to C. Step 5: B is right of C verified.
blood_relations	A is the father of B. C is the mother of B. D is the sister of C. E is the husband of D. How is E related to B?	[ "A) Uncle", "B) Father", "C) Brother", "D) Grandfather" ]	A	D is C's sister, making D the maternal aunt of B. E is D's husband, so E is B's maternal uncle.	Step 1: A is father, C is mother of B, D is C's sister, E is D's husband. Step 2: Find E's relation to B. Step 3: D is sister of B's mother, so D is maternal aunt. Step 4: E is husband of aunt, making E uncle. Step 5: E is maternal uncle of B verified.
blood_relations	Priya's grandfather had only one child, who is Priya's parent. The man is the only son of this parent. Since Priya is pointing to the man, they are different people. Therefore, the man is Priya's brother. How is the man related to Priya?	[ "A) Brother", "B) Father", "C) Uncle", "D) Cousin" ]	A	Priya's grandfather's only child must be one of Priya's parents. The only son of that parent is Priya's brother.	Step 1: Grandfather has only one child who must be Priya's parent. Step 2: The man is the only son of this parent. Step 3: If parent has only one son and Priya exists, Priya could be daughter or the man is Priya if male. Step 4: Since Priya is pointing to the man, they are different people. Step 5: Man is Priya's brother.
seating_arrangement	Six friends P, Q, R, S, T, U sit in a row. P sits third from left. Q sits second to right of P. R sits at an extreme end. Who could be at position 1?	[ "A) P", "B) Q", "C) R", "D) T" ]	C	P is at position 3, Q at position 5. R is at an extreme end, so position 1 or 6. R could be at position 1.	Step 1: P at position 3, Q second to right means position 5. Step 2: R at extreme means position 1 or 6. Step 3: Test if R can be at position 1. Step 4: No conflicts with other constraints. Step 5: R at position 1 is valid.
seating_arrangement	Five people A, B, C, D, E sit in a circle facing center. A is left of B. C is opposite D. E is between A and D. Who is right of C?	[ "A) A", "B) B", "C) E", "D) D" ]	B	With A left of B, C opposite D, and E between A and D, the circular arrangement forces B to be right of C.	Step 1: Given A left of B, C opposite D, E between A and D. Step 2: Need to find who is right of C. Step 3: In 5-person circle, opposite means 2-3 positions apart. Step 4: Placing all constraints, B must be adjacent to C. Step 5: B is right of C verified.

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