Split (2)

train · 13.1k rows

dataset string	id string	question string	choices list	rationale string	answer string
mmlu_stem	mmlu_stem_11786	Pigs are always considered dirty animals because they roll in mud.But in fact they prefer being quite clean.They cover themselves with mud to help stay cool.During cooler weather, they prefer to stay clean.So do elephants,who also cover themselves in dust or mud to keep cool. When they find a place with clean water t...	[ "stay clean", "help each other", "get their food", "Take baths" ]	null	A
mmlu_stem	mmlu_stem_5896	Scientists in UK have grown a living human "brain". The team at Aston University created tiny bunch of cells which act like a mini nervous system. They believe it could help find a cure for worse mental conditions like Parkinson's disease. Professor Michael Coleman is leading the research program. He explained, "We are...	[ "study the structure of human brain", "make use of living human cell system", "discover how human brain really works", "separate cells from a cancer tumour" ]	null	C
mmlu_stem	mmlu_stem_6411	When I was at university, I studied very hard. But a lot of my friends did very little work. Some did just enough to pass exams. Others didn't do quite enough. Fred Baines was one of them. He spent more time drinking in the Students' Union than working in the library. Once, at the end of the term, we had to take an im...	[ "an excellent mark", "a low mark", "his usual mark", "the pass mark" ]	null	D
mmlu_stem	mmlu_stem_12144	Officials of the Chicago Transit Authority said they were investigating. The child, Nicole Hobson, was being taken by her mother to Children's Memorial Hospital about 11 P. M., Wednesday to check her recently inserted pacemaker. The child was stricken about a mile from the hospital. Her mother, May Hobson, 40, said, ...	[ "a musical instrument", "a machine", "an organ", "a toy car" ]	null	B
mmlu_stem	mmlu_stem_13561	Jane Scott is fourteen and the year before last she began to study in a middle school. She likes dancing and singing and spends a lot of time on them. But she hates math and does not work hard at it. She thinks it difficult to learn. She falls behind her classmates and once failed the math exam. She decides to drop it....	[ "She was a math teacher", "Jane loved her very much.", "Jane was afraid of her.", "He knew nobody except her." ]	null	A
mmlu_stem	mmlu_stem_20997	The tree trunk is what holds up the	[ "sky", "roots", "sky", "leaves" ]	null	D
mmlu_stem	mmlu_stem_14195	There have always been a lot of commonly believed but false ideas about being fat and doing exercise. Some people believe that they can't help putting an weight as they get older, while others hold that if they stop exercising, their muscles will turn into fat. Here are some more myths. I'll never lose weight--I come...	[ "Keeping fit is essentially a painful experience.", "Exercise should be stopped if continuous pain is felt.", "Pain in exercise is a precondition for reaching your goal.", "Getting used to pain leads to positive changes in your body." ]	null	B
mmlu_stem	mmlu_stem_16323	Jeff Corwin is a scientist and writer. He does these jobs with one life goal help save animals and their habitats. His latest book, 100 Heartbeats: The Race to Save Earth's Most Endangered Species. Is a collection of stories about animals on the edge of _ . Corwin recently talked to a reporter. Reporter: How would you...	[ "protect the environment", "do some scientific research", "save animals and their habitats.", "Let more people know about nature." ]	null	C
mmlu_stem	mmlu_stem_17326	Phobos is one of two large objects that orbit the planet Mars. Because Phobos orbits Mars, Phobos should be classified as which type of body?	[ "asteroid", "moon", "comet", "meteor" ]	null	B
mmlu_stem	mmlu_stem_6396	Whether you prefer burning the midnight oil or going to bed early so you can get up at the break of dawn depends on your genes , according to experts. I jump out of bed each morning, eager to start an active day. But I can hear my neighbour's alarm clock ringing non-stop every morning and I doubt he gets to work...	[ "almost always gets to work on time", "has to work deep into the night every day", "is passive during the day but energetic at night", "is easily woken up by his alarm clock in the morning" ]	null	C
mmlu_stem	mmlu_stem_11768	We bet that on cold wintry days, many of you love to stay in your warm home and, every now and then, come out into the kitchen for a snack. Unfortunately, plenty of creepy-crawly critters like to do the same thing! Winter is the time when bugs invade your house without an invitation. The season can be tough for suc...	[ "Bugs'life on cold wintry days.", "Why do bugs invade your home in winter?", "Good relations between humans and bugs.", "What does diapause mean?" ]	null	B
mmlu_stem	mmlu_stem_2841	Jerry Morris died on 28 October 2009. He was 99 years old. You have probably never heard of him. He was a professor of public health. More than 50 years ago he produced one of the most famous epidemiological papers of the 20th century. His study showed that bus conductors were much less likely to die of heart disease...	[ "bus conductors are more likely to die of heart disease than bus drivers.", "doctors in the 1950s knew why heart diseases kept happening to people.", "walking is better than doing sports in a gym because it saves time and money.", "British people love walking because they have free gymnasium with finest scene...	null	C
mmlu_stem	mmlu_stem_5761	"If music is the medicine of the soul , let it play on," said a famous person. I think he said so because probably he got some help from music. Music has some strange abilities. Medical scientists have found that a person that feels stressed can actually listen to some kind of music and become well. The researchers sai...	[ "letting people have a good sleep", "making people think positively", "showing something new to people", "making people focus only on important things" ]	null	B
mmlu_stem	mmlu_stem_238	Which of the following best describes the purpose of cellular respiration?	[ "to provide energy for cell activities", "to produce sugar for storage in cells", "to release oxygen for breathing", "to supply carbon dioxide for photosynthesis" ]	null	A
mmlu_stem	mmlu_stem_18006	Water moves by capillary action through soil from moist areas to dry areas. Which property of water is most responsible for this capillary action?	[ "Water is a polar molecule.", "Water contains an oxygen atom.", "Water has a high surface tension.", "Water has a high specific heat." ]	null	C
mmlu_stem	mmlu_stem_21484	Water solidifies in crevices in the asphalt and splits it apart by	[ "making happy faces", "occupying more space", "cheerleaders", "banana ice cream" ]	null	B
mmlu_stem	mmlu_stem_8853	Everyone has done experiments in high school laboratories, but have you ever thought about designing a satellite to explore space? On Nov. 19, a team of students from Thomas Jefferson High School for Science and Technology in the US _ peers and even scientists by successfully launching a satellite. The first satellite ...	[ "It took a group of students about a decade to build the satellite.", "Besides TJ3Sat, 28 other small satellites were built by the students.", "TJ3Sat can receive text messages that the students send into space, which it can change to voice messages and broadcast back to Earth.", "TJ3Sat is expected to stay i...	null	C
mmlu_stem	mmlu_stem_21273	What anchors plants into the soil are called	[ "a form of webbing", "Velcro with extra grip", "the same as an american television miniseries about slavery", "large anchors made of metal" ]	null	C
mmlu_stem	mmlu_stem_20876	If a raptor loses weight, then it will have an easier time	[ "eating a goldfish cracker", "building a small house", "circling way up there", "leaving home at night" ]	null	C
mmlu_stem	mmlu_stem_8122	Malaria, the world's most widespread parasitic disease, kills as many as three million people every year--almost all of whom are under five, very poor, and African. In most years, more than five hundred million cases of illness result from the disease, although exact numbers are difficult to assess because many people...	[ "no drugs have been found to treat the disease", "the alternative treatment is not easily available to most people", "malaria has developed its ability to resist parasites", "nobody knows what will be the drug to treat the disease" ]	null	B
mmlu_stem	mmlu_stem_5986	Winter begins in the north on December 22nd. People and animals have been doing what they always do to prepare for the colder months. Squirrels , for example, have been busy gathering nuts from trees. Well, scientists have been busy gathering information about what the squirrels do with the food they collect. They exa...	[ "red squirrels eat more nuts than gray squirrels", "gray squirrels and red squirrels will have severe fights", "nuts above the ground will not develop into plants", "seeds can be traps for other animals in the forest" ]	null	C
mmlu_stem	mmlu_stem_12998	Some people believe that schools will no longer be necessary in the near future.They said that because of the Internet and other new technology, there is no longer any need for school buildings, classes or teachers.Perhaps this will be true one day, but if the world has no schools, I can 't imagine how our society wi...	[ "can view the new technology", "can see everything except new technology", "Can learn everything", "can do whatever you like" ]	null	D
mmlu_stem	mmlu_stem_12871	A recent survey of 2000 parents in Britain showed that they are often afraid of science questions asked by their curious children only because they have no idea what the answer is. Here is a list of some simple questions that you can ask your parents to see if they know the answers. Q: Why is the sky blue? A: You proba...	[ "Why is the sky blue?", "Why is the moon able to be seen during the daytime?", "Why do birds travel in winter?", "Where do honeybees go in winter?" ]	null	C
mmlu_stem	mmlu_stem_20501	A person running away from an attacking black bear will note that as they run faster, the bear	[ "looks minuscule", "looks average", "looks bigger", "looks younger" ]	null	A
mmlu_stem	mmlu_stem_12572	Mr. Green has a small garden in front of his house. There are lots of flowers in it. But he has only a few trees. His neighbor Mr. Black has a garden, too. Mr. Black's garden is smaller than Mr. Green 's garden. He has fewer flowers than Mr Green but more trees. Mr. Brown is Mr. Green's another neighbour. Mr. Brown's g...	[ "the garden is too small", "Mr. Brown doesn't like flowers", "Mr. Brown is too busy to work in his garden", "there us always a lot of work in it" ]	null	C
mmlu_stem	mmlu_stem_2611	"You have cancer" are the three words you never want to hear. Unfortunately, over 5, 000 people in North America do hear those words--every single day. Even worse, cancer has become the second leading cause of death for Americans. America's health practitioner , David Brownstein, M. D., has spent much of his medical c...	[ "To recommend a video.", "To introduce some doctors.", "To teach us how to make a video.", "To give us some tips on dealing with cancer." ]	null	A
mmlu_stem	mmlu_stem_14898	I was being interviewed by a senior manager for a major insurance company. I told him honestly why I wanted the job----I needed to keep my family in Boston. My wife recently died of a heart attack. A job in Boston would help me reduce some of the extreme trauma and pain of the loss for my 16-year-old daughter. It wa...	[ "Bruce invited the writer to lunch later.", "Bruce shared his life experience with the writer.", "Bruce was willing to help the writer.", "Bruce finally gave the job to the writer." ]	null	D
mmlu_stem	mmlu_stem_6596	When he was a boy, Tim was much influenced by the books about the sea, but in fact by the age of fifteen he had decided to become a doctor rather than a sailor. His father was a dentist and as a result, Tim had the opportunity of meeting many doctors either at home or elsewhere. When he was fourteen he was already han...	[ "during the war, Tim was a surgeon in the Navy.", "he taught the country people simple facts about medicine in California.", "after the war, he married the old doctors' daughter.", "Tim worked as a life-saver after war." ]	null	C
mmlu_stem	mmlu_stem_21349	What requires nutrients to grow and gets nutrients with use of beak apparatus?	[ "dirt", "birds", "computers", "metals" ]	null	B
mmlu_stem	mmlu_stem_3437	Although April did not bring us the rains we all hoped for, and although the Central Valley doesn't generally experience the sound and lightning that can go with those rains, it's still important for parents to be able to answer the youthful questions about thunder and lightning. The reason these two wonders of nature ...	[ "Only a small number of lightning flashes occur on earth.", "Lightning flashes usually jump from one cloud to another.", "Lightning travels 5 times faster than thunder.", "There are far more lightning strikes occurring on earth than we can imagine." ]	null	D
mmlu_stem	mmlu_stem_12462	I am Jerry. My family is in New York. We have got a big house. There are three bedrooms . One is for my parents. One is for my sister Betty. One is for my brother Tony and me. I haven't got any grandparents, aunts or uncles in my family. My father is forty-three years old. He is a hotel manager. My mother is forty. She...	[ "hotels", "restaurants", "offices", "bedrooms" ]	null	D
mmlu_stem	mmlu_stem_14995	Great Sale at Jenny's Come to Jenny's great sale on clothes, things for your room and things for school. We have jackets in black and brown for thirty-five dollars, sweaters in blue and red for fifteen dollars and bags in green and yellow for five dollars. See our great tables, beds and chairs. Get a new bookcase in br...	[ "January 1st", "December 30th", "December 31st.", "December 25th." ]	null	C
mmlu_stem	mmlu_stem_22260	After the Meyer tree's flowers pedals drop you are left with	[ "a bee sign", "something sweet", "a bird bath", "a party" ]	null	B
mmlu_stem	mmlu_stem_9041	California sea lions are the fastest of all the sea lions, reaching speeds of up to 40 kilometers an hour when swimming. Males are much larger than females, measuring 2 to 2.5 meters and weighing 200 to 453 kilograms. Females only measure 1.5 to 2 meters and weigh 50 to 113 kilograms. They can also move fairly well whi...	[ "They weigh at least 113 kilograms.", "They swim faster than any other sea animal.", "Males are much larger than females.", "They usually move very slowly after leaving the sea." ]	null	C
mmlu_stem	mmlu_stem_727	Bluebirds prefer to live near open, grassy places. Where would you most likely find a bluebird?	[ "a dam", "a beach", "a ball field", "a parking lot" ]	null	C
mmlu_stem	mmlu_stem_16983	There are many different kinds of parrots. Some are quite big. Others are small. Many people like them because they often have beautiful colours, and because they can "talk". No one knows why parrots can talk. Most birds cannot talk. Some people say that parrots can talk because they have big, thick tongues . But so...	[ "they often have beautiful coulours", "they can \"talk\"", "they can dance", "A and B" ]	null	D
mmlu_stem	mmlu_stem_17292	The pull of gravity on Earth is caused by	[ "air pressure.", "the mass of Earth.", "volcanoes erupting.", "Earth's orbit around the Sun." ]	null	B
mmlu_stem	mmlu_stem_18360	The action that results when waves made in a pond strike the edges and bounce back is known as	[ "amplitude.", "frequency.", "vibration.", "reflection." ]	null	D
mmlu_stem	mmlu_stem_19834	The amount of transpiration is lower in	[ "summer", "fall", "winter", "spring" ]	null	C
mmlu_stem	mmlu_stem_15982	Nowadays, many children spend hours a day looking at computer screens or other digital products. Some eye care doctors say all the screen time has caused more children to have what they call computer vision syndrome . Nathan Warford is an optometrist in the US. He says he has seen more children having eye problems. ...	[ "a third as much", "two thirds as much", "half as much", "as much" ]	null	A
mmlu_stem	mmlu_stem_22341	Gravity lessens as you go	[ "alongside a friendly black hole", "away from a planet", "closer to a planet", "closer to the sun" ]	null	B
mmlu_stem	mmlu_stem_3121	Now let's look ourselves as a species in relation to ecosystem balance.Modern scientists believe that humankind, like other animals, evolved through millions of years of changes and adaptations to the environment and that our most direct evolutionary ancestor was probably an earlier species of the primate(monkey, ape)...	[ "monkeys and anteaters", "tigers and apes", "apes and monkeys", "monkeys and giraffes" ]	null	C
mmlu_stem	mmlu_stem_15785	Dear Jenny, Please take these things to your brother: his math book, baseball, notebook, CDs, and video tape. The math book is on the dresser. The baseball is under the bed. The notebook is on the bed. The CDs are in the drawer. The video tape is on the table. Thanks! Mom The _ are in the drawer.	[ "rulers", "books", "CDs", "pens" ]	null	C
mmlu_stem	mmlu_stem_22448	A cat and a snake are both predators for several of the same animals. If there are only seven mice in a habitat shared by a cat and a snake, there will be	[ "a shared meal between them", "a war between mice and cats", "pressure on them to get the mice before the other does", "enough for each of them to have ten mice" ]	null	C
mmlu_stem	mmlu_stem_1665	Johnny walked toward the time machine. His adult neighbor, the scientist, had asked him to watch it for him for the weekend. He had also asked Johnny not to touch it. But it was a time machine. Johnny had to see it. The machine was big and silver and shiny and looked like an ice cream cone that had been dropped. It ha...	[ "A silver ice-cream cone with a round hole", "A silver triangle with a square hole", "A silver ice-cream cone with a square hole", "A silver triangle with a round hole" ]	null	C
mmlu_stem	mmlu_stem_8190	A villa designed to resist earthquakes with "self-healing" cracks in its walls, thanks to nanotechnology applications with self-healing polymers , is to be built on a Greek mountainside. The villa's walls will include special particles that turn into a liquid when squeezed under pressure, flow into cracks, and t...	[ "is still being tried out", "is already under construction", "has been in wide use", "will be put into wide use soon" ]	null	A
mmlu_stem	mmlu_stem_363	All plants and animals have mechanisms that	[ "transport nutrients", "perform photosynthesis", "regulate nerves", "produce flowers" ]	null	A
mmlu_stem	mmlu_stem_8185	Miss Gogers taught physics in a New York school. Last month she explained to one of her classes about sound, and she decided to test them to see how successful she had been in her explanation. She said to them, "Now I have a brother in Los Angeles. If I was calling him on the phone and at the same time you were 75 feet...	[ "slower than sound waves", "faster than sound waves", "not so fast as sound waves", "as fast as sound waves" ]	null	B
mmlu_stem	mmlu_stem_7413	Greg Lyons waited nine years for the opportunity to donate bone marrow . The man had to wait an additional year to finally meet the little girl whose life his donation helped save. That meeting finally too place earlier this fall in the prefix = st1 /Charlotte,Mich, home of Alissa Christie. Lyons first volunteered to ...	[ "Lyons volunteered to donate bone marrow because he was sympathetic with Alissa.", "Lyons had already donated bone marrow to a boy in need.", "The bone marrow, once taken out, was given to Alissa without delay.", "Alissa and he mother made a long journey to meet Lyonsin order to express their thanks." ]	null	C
mmlu_stem	mmlu_stem_12595	Dear Anna, It is nice to see the photo of your room. Here is a photo of my room. These are my bed and my desk. My clock and some books are on the desk. Sometimes the books are on the bed. I like _ books on the bed. Oh, that is my hat on the bed. It is yellow. My quilt is yellow, too. My schoolbag is on the sofa. It is ...	[ "Anna", "Mona", "Allan", "Emma" ]	null	B
mmlu_stem	mmlu_stem_16835	Do you know Fei Junlong and Nie Haisheng? Fei Junlong was born in 1965. He is a Chinese astronaut selected as a member of the Shenzhou program. He was born in Jiangsu and joined the People's Liberation Army Air Force in 1982 at the age of 17. And since then he has only returned home six times. As a fighter pilot , he w...	[ "In 1982.", "In 1998.", "In 1991.", "After his graduation from high school." ]	null	D
mmlu_stem	mmlu_stem_13366	Not long ago, the only time you could see a robot was when you were reading a novel or watching a movie such asStar Wars . Today, however, a lot of things in science stories have been science facts. Robots are starting to appear in our everyday lives. These robots have different sizes, shapes, and colors. But they al...	[ "are better than human in seeing and hearing", "are as capable as those in Star Wars", "can pick up objects more quickly than humans", "sometimes perform wrong actions" ]	null	D
mmlu_stem	mmlu_stem_21367	What product eventually will become human waste?	[ "stars", "unicorns", "black holes", "corn" ]	null	D
mmlu_stem	mmlu_stem_6865	Wherever life takes you after A-level results day, it's likely to bring increased independence. That means it's time to take care of yourself. Students, take note. When you arrive at university, make sure you register with a doctor near your term-time address. If there is a university doctor at your institution, they w...	[ "www.netdoctor.co.uk", "ukna.org", "alcoholics-anonymous.org.uk", "meningitis.org" ]	null	D
mmlu_stem	mmlu_stem_14307	Today people are paying more and more attention to improving their health through sports and exercise. But some of them have some wrong ideas about it. A plate of chicken is a good meal before games because it has much energy. In fact, the best meal before games should have carbohydrates . Foods like potatoes, bread, b...	[ "Afternoon is the best to exercise as it's cool.", "You can exercise at any time.", "It's good for both girls and boys to do strength training.", "You should eat food full of energy today for tomorrow's game." ]	null	A
mmlu_stem	mmlu_stem_3228	This is a doubtful age, but although our faith in many of the things has weakened, our confidence in the curative (,) properties of the bottle medicine remains the same. This modern faith in medicine is proved by the fact that the annual drug bill of the Health Services is increasing to huge figures and shows no signs ...	[ "a medicine that will cure one illness is not necessarily good for another", "Thomas Carlyle was ignorant", "Even educated people can be misled into believing that one can't be cured by medicine", "Educated people may also have confidence in the bottle of medicine" ]	null	D
mmlu_stem	mmlu_stem_16519	If we find a bird nest, we will have a good place of observing and knowing about birds. Birds sit on eggs and take care of their baby birds from April to June. Because the baby birds are too young to leave the nest, mothers often leave and come back to the nest during the time to look for food. So it is good to obser...	[ "look after the birds more often", "use the binoculars to catch the birds", "hide ourselves to make the birds do everything as usual", "catch the birds at last" ]	null	C
mmlu_stem	mmlu_stem_17124	Which of these would help to prevent infections from occurring in small cuts and scrapes?	[ "apply a cold ice pack", "raise the injured area", "apply pressure to stop bleeding", "wash the area with warm, soapy water" ]	null	D
mmlu_stem	mmlu_stem_10091	When Geoff Marcy was 14, his parents bought him a telescope. Every night, he would go onto the roof outside his window to see the wonders of the sky. "What excited me most was whether there were planets in other solar systems where life might exist," he says. "I decided to try to find planets orbiting other stars like ...	[ "1995", "1985", "2002", "1981" ]	null	B
mmlu_stem	mmlu_stem_10603	If it really is what's on the inside that counts, then a lot of thin people might be in trouble. Some doctors now think that the internal fat surrounding important organs like the heart liver could be as dangerous as the external fat which can be noticed more easily. "Being thin doesn't surely mean you are not ...	[ "the exact dangers of internal fat", "being slim is not dangerous at all", "internal fat is the cause of heart disease", "being slim doesn't mean you are not fat inside" ]	null	D
mmlu_stem	mmlu_stem_21921	You can work longer when	[ "Autumn changes to Winter", "spring changes to summer", "tree leaves start falling", "the first snow starts falling" ]	null	B
mmlu_stem	mmlu_stem_1765	Nature Love Yolanda loves nature. She loves trees, flowers, grass, singing birds, the sky, and even the wind. She spends a lot of time lying on the grass, looking at the sky, and listening to the birds. One of Yolanda's favorite things to do is to look at the shapes of the big, fluffy clouds. "That one looks like a f...	[ "A real scientist, so she can learn all about building houses and backyards.", "A real scientist, so she can study medicine.", "A real scientist, so she can learn all about plants, bugs and nature.", "A gardener, so she can learn all about plants, bugs and nature." ]	null	C
mmlu_stem	mmlu_stem_14281	The animal kingdom has a new member. On September 12, 2012, researchers made a report to the world that they discovered a new species of monkey. It is called the lesula. And it is only the second monkey species discovered in 28 years. Scientists first saw the lesula in June, 2007 in Congo, a country in Africa. The les...	[ "it was the 29 thlesula that was found", "the lesula mainly eats small animals", "both the owl-faced monkey and the lesula have short blond hair", "the lesula and the owl-faced monkey look aimilar, but different species" ]	null	D
mmlu_stem	mmlu_stem_695	A tropical rain forest contains many tall trees. Smaller plants with large leaves grow at the base of the tall trees. The large leaves are most likely an adaptation of the plant due to which condition?	[ "lack of sunlight", "lack of oxygen", "lack of water", "lack of food" ]	null	A
mmlu_stem	mmlu_stem_10712	Can you imagine traveling to work in a one-man submarine? Scientists believe that someday one-man submarines will be as numerous as automobiles today. One says," One day soon, men will walk on the ocean floor as they do on the street. " Perhaps during your life time, people will travel, work and live under the sea. ...	[ "increase the amount of our blood", "keep our blood warm", "soften our muscles", "warm our bones" ]	null	B
mmlu_stem	mmlu_stem_9340	For Robert Valderzak of Washington D.C.,Tuesday's earthquake was a miracle . Ever since he fell and got his skull broken on Father's Day,75-year-old Valderzak had suffered severe hearing loss. But after the 5.8 quake, he could hear everything. Valderzak was chatting with his daughter and three sons when the qu...	[ "He was in hospital end talking with his children.", "He was visiting a hospital with his children.", "He was being interviewed by ABCNnews.com.", "He was receiving treatment for his hearing loss." ]	null	A
mmlu_stem	mmlu_stem_14928	Good morning, class! We know that there are too many net bars around us. The Internet is popular and it makes our lives colorful. Many of us like going online very much because we can learn how to use the computer and get more information from the Internet. We can learn English. We can read some good newspapers and mag...	[ "There are too many net bars in the cities.", "We can learn English from the Internet.", "We mustn't get online when we are studying at school.", "We cannot do out-of-class activities from 4:50 to 5:50 p.m." ]	null	D
mmlu_stem	mmlu_stem_4772	For better eyesight, doctors advise limiting the hours of screen time and encourage having enough eye resting time. However, another study shows that sitting in front of computer or TV screens for long hours is not the only reason formyopia . An Australian research team studied young children in Sydney and Singapore to...	[ "To find the reasons for myopia.", "To find the ways to treat myopia.", "To prove the bad effects of myopia.", "To prove the prevalence of myopia." ]	null	A
mmlu_stem	mmlu_stem_18023	By attaching to sharks, remora fish eat the scraps of food left behind when the sharks feed. If remoras were not able to attach to sharks, they would most likely	[ "attach to boats.", "not be able to survive.", "find another source of food.", "not need to eat anymore." ]	null	B
mmlu_stem	mmlu_stem_22375	When fish travel in the opposite direction of flow they are going to	[ "spawn", "party", "site see", "start over" ]	null	A
mmlu_stem	mmlu_stem_19269	What is a source of energy for animals?	[ "rocks", "plastic food", "metal", "nutriment" ]	null	D
mmlu_stem	mmlu_stem_15400	Mr. Jenkins is fifty years old. He has taught math in a middle school for twenty-six years. He works hard and always come to his office on time. He hopes his students can be honest and is strict with them. Some of his students become famous persons,but they still remember him and often write to him. Of course the old m...	[ "This term Mr. Jenkins began to teach Grade One.", "All the new students knew him well.", "He told the students he hated telling a lie most.", "Not all the students put up their hands." ]	null	B
mmlu_stem	mmlu_stem_3476	Although similar in appearance to hyenas , African wild dogs are nevertheless true wild canine . They are a mixture of black, yellow, and white in such a wide variety of patterns that no two individuals look exactly alike. African wild dogs are widely distributed across the African plains but they do not live in jungle...	[ "In a pack there may be about 90 wild dogs and no leader.", "There are no such wild dogs that are different.", "African wild dogs can run at a speed of about 15 m/s for a long distance.", "All African wild dogs kill zebras, impalas, and antelopes as their food." ]	null	C
mmlu_stem	mmlu_stem_12491	A 13-year-old American has made a cheap machine that can help blind people read. The blind can read by using _ - a system of small bumps that the blind touch to read the letters. The machine that makes these small bumps usually costs at least $2,000. It is called Braille writer. The American schoolboy, Shubham Banerj...	[ "Photocopies.", "Voices.", "Electronic text.", "Computer languages." ]	null	C
mmlu_stem	mmlu_stem_6100	Humans have launched themselves into the outer space. They've landed on the moon. They've built habitable space stations that orbit the Earth. The next giant leap for mankind is to reach another planet - specifically, Mars. The problem is that it's no easy task. The planet is 586 times further away from the Earth than ...	[ "describe the role mice play in scientific research", "report on the results of the Mice Drawer System", "analyze how mice could pave the way to Mars", "change people's traditional attitudes toward mice" ]	null	C
mmlu_stem	mmlu_stem_17546	When carbon and oxygen combine chemically, the mass of the product is	[ "greater than the mass of the carbon plus the mass of the oxygen", "equal to the mass of the carbon plus the mass of the oxygen", "equal to the mass of the carbon", "less than the mass of the carbon" ]	null	B
mmlu_stem	mmlu_stem_10701	Researchers in over 80 nations are taking part in a project to conduct a decade-long census of sea life. Scientists presented some of their findings at a recent conference as the project neared its completion. In deep icy waters under Antarctica, scientists found bulbous tunicates, an underground animal, and many newl...	[ "human beings only know a little about marine life", "the oceans don't need to be further explored", "he considers exploring the ocean a dangerous thing", "the marine creatures mainly live on the top of the ocean" ]	null	A
mmlu_stem	mmlu_stem_20588	Lodestones sharply yank metal nails because of	[ "allure", "corrosion", "irritation", "evasion" ]	null	A
mmlu_stem	mmlu_stem_659	In multicellular organisms, different structures have different functions. Which function is carried out in the leaves of a plant?	[ "absorbing food", "producing flowers", "absorbing light", "making seeds" ]	null	C
mmlu_stem	mmlu_stem_13230	A small boy lived with his mother and grandmother in a big house. His father had died. A bucket of water fell on the small boy's left foot, and it began hurting a hot. His mother said, "I'm going to put something very hot on your foot tonight. That's always very good. Tomorrow your foot won't hurt any longer." In the e...	[ "he fell off the bike", "a bucket of water fell on his foot", "he fell and hurt his foot", "he was ill" ]	null	B
mmlu_stem	mmlu_stem_18460	Which set of equipment would be best to use when investigating what is found in a sample of pond water?	[ "net, gloves, specimen bags", "beaker, calculator, graph paper", "microscope, eye dropper, slides", "measuring tape, thermometer, clipboard" ]	null	C
mmlu_stem	mmlu_stem_5970	Sometime in the next century, the familiar early-newspaper on the front porch will disappear. And instead of reading your newspaper, it will read to you. You'll get up and turn on the computer newspaper just like switching on the TV An electronic voice will distribute stories about the latest events, guided by a p...	[ "Computer newspapers are well liked.", "Newspapers of the future will be on the computer.", "Newspapers are out of fashion.", "New communications technology." ]	null	B
mmlu_stem	mmlu_stem_9720	Last week, I bought an alarm system for about $ 450. It consisted of a control unit with three small units. I put the control unit in the sitting-room and fastened the other units by the front door, back door and living-room windows. The instructions told us to choose three numbers, so we chose 491, the last three num...	[ "make sure that he got up early every day", "warn him when there were lizards in his house", "frighten burglars and tell him that somebody had got into the house", "make Mary feel safe to live in the large room" ]	null	C
mmlu_stem	mmlu_stem_8268	The World's Largest Insect .This giant insect can be used as a toy. A child ties one end of a string to a stick and the other end around the "neck" of an insect. Holding the stick, the child lets the insect go. With a loud whirring sound, the insect takes off, pulling the string in a large curve over the child's head. ...	[ "a tool.", "a toy.", "harmfull insects.", "Good animals." ]	null	B
mmlu_stem	mmlu_stem_22136	When the sun rises, there is light and it is daytime. When is it night time?	[ "when its blue and Pink", "when its down and lightless", "when its seven and eight.", "when its dead and gone" ]	null	B
mmlu_stem	mmlu_stem_11868	When I was little, I'd see tons of bats flying around streetlights at night in my neighborhood in upstate New York. But I'll never forget the first time when I saw a bat up close. By the time I turned 7, though, I noticed something strange: All the bats in my neighborhood had disappeared, and I wondered why. Then, thre...	[ "donate some money to save bats", "make a radio program about bats", "announce new findings about bats", "finish some questionnaires about the fair" ]	null	B
mmlu_stem	mmlu_stem_5178	Are you a forgetful person? You might be able to blame your genes, a new study in the journal Neuroscience Letters suggests. Researchers from the University of Bonn have identified a variant on the DRD2 gene that seems to be associated with increased forgetfulness. Everyone has one of two variants of the DRD2 gene, th...	[ "It has two similar variants.", "Some people don't have it.", "It's bad for people's memory.", "Everyone has one of its variants." ]	null	D
mmlu_stem	mmlu_stem_11763	Europe's deadly outbreak of a rare form of E. coli bacteria has brought new attention to food safety issues. One of the problems when people get sick from food is that the simplest question is often difficult or even impossible to answer. Just what did the people eat that made them sick? Of course, one way to avoid t...	[ "broke out all over the world", "comes from soil or animal waste", "is extremely harmful to health", "does not cause illness" ]	null	B
mmlu_stem	mmlu_stem_507	Which of the following is a trait that a dog does NOT inherit from its parents?	[ "the length of its fur", "the shape of its nose", "the size of its appetite", "the color of its fur" ]	null	C
mmlu_stem	mmlu_stem_21827	You can hear	[ "a electric viola", "a perfume", "a thought", "a prism" ]	null	A
mmlu_stem	mmlu_stem_9767	Many people have never heard of Mesothelioma and are unaware of its symptoms. Although considered a rare form of cancer, each year the number of cases grows. With the prevalence of this disease on the rise, it is critical to understand why and how Mesothelioma develops and what courses of action can be taken in the eve...	[ "frequent headache", "lower back pain", "chest pain", "difficult breathing" ]	null	A
mmlu_stem	mmlu_stem_3458	400-year-old plants from the Little Ice Age were brought back to life, which could help us understand how the Earth will deal with climate change. Moss found buried beneath the Teardrop glacier on Ellesmere Island in Canada has been brought back to life. Findings suggest that these plants could help repopulate region...	[ "lives better in small groups", "is very active in hot weather", "is strong enough to survive coldness", "is chosen from Canadian refugia" ]	null	C
mmlu_stem	mmlu_stem_4040	The common cold is the world's most widespread illness, which is plagues that flesh receives. The most widespread fallacy of all is that colds are caused by cold. They are not. They are caused by viruses passing on from person to person. You catch a cold by coming into contact, directly or indirectly, with someone wh...	[ "they are working in the isolated arctic regions", "they are writing reports in terribly cold weather", "they are free from work in the isolated arctic regions", "they are coming into touch again with the outside world" ]	null	D
mmlu_stem	mmlu_stem_18133	Which action causes a chemical change?	[ "leaves dropping from a tree", "leaves blowing in the wind", "leaves being burned in a fire", "leaves being crushed into pieces" ]	null	C
mmlu_stem	mmlu_stem_13668	John is a very strong man. He gets a job of cutting trees in a forest. His boss gives him an axe and showed him the area where he should work. The first day, John cuts down 18 trees. "Good," the boss says, "keep it up!" happily, John tries harder the next day, but he only cuts down 15 trees. The third day he tries ev...	[ "18", "15", "14", "10" ]	null	B
mmlu_stem	mmlu_stem_15174	Mary has a lot of hobbies. She usually gets up early so she can run before work. She doesn't often have time to skate, but she sometimes goes on Saturdays during the winter. Mary often rides a horse near here home. She sometimes goes after work, but she usually goes horseback riding on Sundays. She loves music. She alw...	[ "goes to concerts", "goes to the gym", "goes to church", "watches TV" ]	null	D
mmlu_stem	mmlu_stem_18576	In the life cycle of a fly, which stage comes after the larval stage?	[ "egg", "adult", "nymph", "pupa" ]	null	D
mmlu_stem	mmlu_stem_7339	Once upon a time in a land far away, there was a wonderful old man who loved everything:animals, spiders, insects... One day while walking through the woods the nice old man found a cocoon of a butterfly. He took it home. A few days later, a small opening appeared; he sat and watched the butterfly for several hours as ...	[ "The cocoon was broken and the butterfly died.", "The man helped the butterfly out of the cocoon more easily", "The butterfly couldn't fly for ever normally.", "The butterfly should spend more time practicing flying." ]	null	C
mmlu_stem	mmlu_stem_2671	Look, this is the first plane in the world to be created using the new technology of "3D printing". The airplane was built using only a computer--but it can fly at a speed of 100mph and has a two-meter wingspan. It was produced using a special nylon laser printer that builds up something layer-by-layer. The parts were ...	[ "It should be controlled by an autopilot system.", "It should be controlled by \"laser sintering\".", "A pilot controls it using a remote control.", "A pilot with high techniques controlled it." ]	null	A
mmlu_stem	mmlu_stem_17473	A layer of solid brittle rock comprises the outer 100 kilometers of Earth. This layer, which contains both the crust and the upper mantle, is called the	[ "core.", "sediment.", "lithosphere.", "hemisphere." ]	null	C

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