dataset
string
id
string
question
string
choices
list
rationale
string
answer
string
subject
string
mmlu_stem
mmlu_stem_13894
Now machines are widely used all over the world. Why are machines so important and necessary for us? Because they can help us to do things better and faster. A washing machine helps us to wash clothes fast. A printing machine helps us to print a lot of books, newspapers, magazines and many other things fast. Bikes, c...
[ "a little faster than", "as fast as", "much faster than", "much more slowly than" ]
null
C
mmlu_stem
mmlu_stem_7424
Raising a baby takes a lot of work, especially when that baby is a king penguin. Now, it looks like climate change will make life even harder for these birds. A new study suggests that warmer waters could make their numbers _ Most king penguins live on the Crozet Archipelago, a group of islands in the Indian Ocean, a...
[ "They have to raise their children there", "they have to raise their chicks there", "the food supply they need exists there", "they have to give birth to chicks there" ]
null
C
mmlu_stem
mmlu_stem_11031
Nuclear power's danger to health, safety, and even life itself can be described in one word; radiation . Nuclear radiation has a certain mystery about it, partly because it cannot be detected by human senses. It can't be seen or heard, or touched or tasted, even though it may be all around us. There are other things...
[ "nuclear mystery", "radiation detection", "radiation level", "nuclear radiation" ]
null
D
mmlu_stem
mmlu_stem_2914
I am peter Hodes ,a volunteer stem courier. Since March 2012, I've done 89 trips of those , 51 have been abroad, I have 42 hours to carry stem cells in my little box because I've got two ice packs and that's how long they last, in all, from the time the stem cells are harvested from a donor to the time they can be im...
[ "He cannot stay away from his job too long.", "The donor can only wait for that long.", "The operation needs that very much.", "The ice won't last any longer." ]
null
D
mmlu_stem
mmlu_stem_5125
For most kids, height isn't something they can change, so what do you do if you don't like how tall or short you are? It might be girls feeling too tall and boys feeling too short but some really tall boys might not like all that height and some shorter girls might get tired of all the jokes or of feeling like they're ...
[ "after we tell the parents", "after we see the doctor", "when we grow taller", "when we get older" ]
null
D
mmlu_stem
mmlu_stem_8575
Cotton farmers in some Indian villages are busily buying Coca-Cola and Pepsi, believing that the sugar in the fizzy( ) drinks kills pests. Farmers say scientists advised them to mix pesticides with a sugary juice to control pests, and they found the mixture cheaper and more effective than pure chemicals-- although s...
[ "there is some pesticide left in them", "they are sticky and fizzy", "they have elements that kill pests", "they made the pesticide more effective" ]
null
D
mmlu_stem
mmlu_stem_5410
For many years, scientists have warned that smoking tobacco is bad for your health. Yet people around the world still smoke. The World Health Organization tells that almost 5,000,000 people around die each year from the effects of smoking. That number is increasing. WHO officials say tobacco use will have killed more t...
[ "Smoking tobacco is the leading cause of lung disease.", "Smoking also has been linked to heart disease, stroke and many kinds of cancers.", "Smoker may not harm the health of family members", "Smoking tobacco is bad for your health, However, people around the world continue to smoke" ]
null
C
mmlu_stem
mmlu_stem_2844
It was Monday. Mrs Smith's dog was hungry, but there was not any meat in the house.Considering that there was no better way, Mrs. Smith took a piece of paper, and wrote the following words on it "Give my dog half a pound of meat. " Then she gave the paper to her dog and said gently:" Take this to the butcher and h...
[ "there times", "four times", "five times", "six times" ]
null
C
mmlu_stem
mmlu_stem_12229
Waiters wanted King Restaurant needs five waiters. If you want to find a new job, you can come here. Please call John at 678-5342. To get to the restaurant, you just have to cross North Road. It's next to the bank. Teachers wanted Do you want to be a teacher? Are you friendly to kids? Can you sing, dance or play the pi...
[ "Last Wednesday.", "Last Thursday.", "Last Friday.", "Last Saturday." ]
null
D
mmlu_stem
mmlu_stem_17487
A light bulb manufacturer claims its light bulb is "twice as bright" per unit of electrical energy consumed as the leading light bulb. If this claim is correct, what factor must be accurately compared between the two bulbs?
[ "how much each bulb weighs", "how long each bulb lasts", "how much heat each bulb releases", "how much metal each bulb contains" ]
null
C
mmlu_stem
mmlu_stem_4502
While learning the science lessons, I used to get a doubt--why ear, nose, tongue and eyes should be called as special senses? The basic reason is that these are the channels through which we maintain contact with the surroundings. Though apparently it may feel like these are individual sensory organs, they do show some...
[ "The Sensitivity of Sensory Organs", "The Functions and Connections of Sensory Organs", "A Newborn's Sensory Organs", "Different Senses Between Men and Woman" ]
null
B
mmlu_stem
mmlu_stem_10935
As Paige watched the other kids playing football in her local park she longed to join in. But at nearly nine stone (1stone equals 6.35 kilograms), the 11-year-old was too big to enjoy her favorite sport, she was well on her way to being another overweight member of her family. Mandy, her mum was 17th 10 lb and Anne, he...
[ "About 57 kilograms.", "About 67 kilograms.", "About 77 kilograms.", "About 87 kilograms." ]
null
A
mmlu_stem
mmlu_stem_14650
Sam: Hey, Maria and John. This Thursday is Bill's birthday. Let's think about the presents. Maria: Sure, Sam. I want to give him a computer game. Sam: No, Bill never plays computer games. John: I want to buy a CD of his favourite songs. Sam: Good idea. Bill likes listening to music. Maria: How about buying a birthday c...
[ "a cinema ticket", "a birthday cake", "a CD", "a concert ticket" ]
null
B
mmlu_stem
mmlu_stem_15573
Uncle Wang works in a book shop in the middle of the city. The shop is not far from his home. It is about one kilometer away. So Uncle Wang seldom goes to work by bus. He usually goes bike there by bike, sometimes on foot .It takes him twenty minutes to get there by bike and forty minutes on foot. Today his bike is b...
[ "4:45", "5:15", "4:55", "5:05" ]
null
A
mmlu_stem
mmlu_stem_22175
Carnivores' only source of what comes from other animals
[ "flying", "money", "restaurants", "sustenance" ]
null
D
mmlu_stem
mmlu_stem_13570
Jeff Keith has only one leg. When he was 12 years old, Jeff had cancer . Doctors had to cut off most of his right leg. Every day Jeff puts on an artificial leg . With the plastic artificial leg Jeff can ride a bicycle, swim, and play soccer. He can also run. Jeff made a plan with his friends who had plastic legs, too. ...
[ "about four and a half months", "over two hundred days", "almost twenty-five weeks", "less than half a year" ]
null
B
mmlu_stem
mmlu_stem_15606
The technology is improving every year. We will see some very exciting home robots in the next few years. In the future the robots can do lots of things. 1. Getting things In a few years, it will be possible to tell your home robot to get a piece of bread for you. The robot will use its eyes and an arm to get the bread...
[ "Robots will do housework with the children.", "Robots will cook for the children.", "Robots will look after the children.", "Robots will smoke with the children." ]
null
C
mmlu_stem
mmlu_stem_14363
One way that scientists learn about man is by studying animals.In this lab, the scientists are studying the relationship between diet and health. They are studying the relationship between the amount of food the mice eat and their health.The mice are in three groups.All three groups are receiving the same healthy f...
[ "a different", "the same", "a small", "a large" ]
null
A
mmlu_stem
mmlu_stem_14716
What do people do with their old, out-of-date but still useful computers? Most people don't know what to do with them. Many old computers are put away in homes. Many more are simply thrown out with the rubbish. Finally, some companies are thinking of ways to bring down the number of old computers. Sony has agreed to he...
[ "collect and recycle most of their products", "collect all their used products", "repair and upgrade old computers", "make more cheaper computers" ]
null
A
mmlu_stem
mmlu_stem_1739
When reindeer are done with the holiday season, people often wonder what they do during their time off. Well, reindeer are pretty good at taking a vacation during down time. Reindeer of any age are always in a hurry for their own holidays! Rudolph is the most famous reindeer, and he has been known to ride foam noodle...
[ "It's one of the reindeer games.", "He is looking for noodles.", "He is looking for cheese so he can make pizza.", "He is looking for water to splash around." ]
null
C
mmlu_stem
mmlu_stem_16878
My name is Peter. I study in Cambell Middle School. It has a very large building. There are big playgrounds on two sides and a beautiful garden in front. In the building, there is the headmaster's room, the teacher's rooms and thirty-four classrooms. We also have two labs and a library in the building. Our library is ...
[ "The library opens two times a week.", "The library opens three times a week.", "The library opens four times a week.", "The library opens five times a week." ]
null
D
mmlu_stem
mmlu_stem_13501
In recent years advances in medical technology have made it possible for people to live longer than in the past. New medicines and instruments are being developed every day to extend life. However,some people,including some doctors, are not in favour of these life extending measures,and they argue that people should ha...
[ "the development of medical technology", "big hospitals", "good doctors", "both B and C" ]
null
A
mmlu_stem
mmlu_stem_17809
In order for a glider to fly, its weight must be opposed by
[ "lift.", "drag.", "gravity.", "friction." ]
null
A
mmlu_stem
mmlu_stem_7322
It was a long week for Amanda at school. She stayed after school to work on a special project three days in a row. When she got home on Friday, she dropped into the chair with a sigh. "What's going on, Amanda?" her dad asked as he was reading the newspaper. "I have to create a webpage for my technology class, and it i...
[ "People should pay for Internet news.", "Newspaper news will soon disappear.", "Internet news is given to readers in good time.", "It is wrong to say no to newspaper news." ]
null
C
mmlu_stem
mmlu_stem_17104
Life in the year 3044 is very different from life in the 21st century . We still do many of the things you did, but we do them differently. For example, we now have e-friends to help us and keep us company. An e-friend is a machine that looks just like a human being. It can walk and talk like humans and can do almost t...
[ "It can walk and talk.", "It can help me with my homework.", "It can send me message.", "It can travel back in time." ]
null
D
mmlu_stem
mmlu_stem_3488
If the hackings taught us anything in 2014, it's actually nothing. Password management firm SplashData released its list of the worst passwords of the year and it's just as terrible as you'd think. The most common leaked password in 2014 was "123456," followed by "password" -- both topped the list the year before, to...
[ "Using long and strange passwords.", "Changing passwords regularly.", "Replacing \"e\" by \"3\" when setting passwords.", "Choosing different passwords for different accounts." ]
null
D
mmlu_stem
mmlu_stem_10260
An extinct mountain goat that was once common in the Pyrenees became the first animal to be brought back from extinction. Researchers used frozen DNA to produce a clone, but the newborn kid died within minutes of birth due to breathing difficulties. The Pyrenean ibex is a type of mountain goat,which is believed to have...
[ "cloning has developed quickly in developed countries.", "no more animals will die out in the future.", "cloning makes it possible to preserve endangered species.", "cloning seldom results in physical problems for animals." ]
null
C
mmlu_stem
mmlu_stem_11616
Emilio and Michi spread the colorful tablecloth on the table. They made room for Drew, who was carrying a dish. "Watch out," Drew warned. "This is pretty hot." A moment later, Kent and Alyssa added another hot dish to the table. "That smells so good!" said Michi. "Are most of the parents here yet? I'm hungry." Kent loo...
[ "was served as a lunch", "was cooked by the students", "was prepared to thank the kids", "was entirely from the school garden" ]
null
B
mmlu_stem
mmlu_stem_22320
Parents genes will determine the rabbits
[ "mate", "food preferences", "fur color", "habitat location" ]
null
C
mmlu_stem
mmlu_stem_9030
What will power your house in the future?Nuclear,wind,or solar power?According to scientists at the Massachusetts Institute of Technology (MIT) in the US,it might be leaves -- but artificial ones. Natural leaves are able to change sunlight and water into energy. It is known as photosynthesis .Now researchers have fo...
[ "an introduction to the history of artificial leaves", "a mixture of water power and solar energy", "giving energy to the poor", "an invention copying photosynthesis" ]
null
D
mmlu_stem
mmlu_stem_18880
Which is a distinction between an epidemic and a pandemic?
[ "the symptoms of the disease", "the geographical area affected", "the species of organisms infected", "the season in which the disease spreads" ]
null
B
mmlu_stem
mmlu_stem_4307
A teenager realized her dream of becoming a professional model three years after a serious car accident. Marita Davies was on her way home from a party when the crash happened. The car that Marita took as a passenger was going the wrong way and crashed into another car driven by a drunken driver named David Hudson, whi...
[ "In 2008.", "In 2009.", "In 2010.", "In 2011." ]
null
C
mmlu_stem
mmlu_stem_9178
As they migrate, butterflies and moths choose the winds they want to fly with, and they change their body positions if they start floating in the wrong direction. This new finding suggests that insects may use some of the same methods that birds use for traveling long distances. Scientists have long thought that insect...
[ "the little creatures can fly very fast", "their flight is long and high above ground", "the wind's direction is hard to forecast", "they have no regular migrating courses" ]
null
B
mmlu_stem
mmlu_stem_10312
Most rain forests lie close to the equator ,where the climate is often mild and there are long hours of sunshine.The warmth of the land heats the air above,causing it to rise and tiny drops of water to fall as rain.The rainfall can reach at least 98 inches a year.This wet,warm world with plenty of sunlight is perfect f...
[ "animals", "droppings", "fruits", "winds" ]
null
A
mmlu_stem
mmlu_stem_17634
After mining removes layers of rock from a hillside, new plants begin to grow in the cracks of the bare rock. The plants beginning to grow are an example of which natural process?
[ "secondary succession in an existing ecosystem", "new species developing in an ecosystem", "species competition in a community", "primary succession in a new habitat" ]
null
D
mmlu_stem
mmlu_stem_15946
My name is Frank White. I'm fourteen years old. I was born on May 13th, 1992. Mike is my good friend. His birthday is May 15th.He is only 12 years old now. Every year on May 14th,we have a birthday party together at our school. We often have a pop concert. I play the guitar. He plays the drums. Many friends come to ou...
[ "Frank's birthday is", "Mike's birthday is", "They have a basketball game on", "They have a birthday party on" ]
null
D
mmlu_stem
mmlu_stem_1327
Recycling of a resource, such as paper, is important because
[ "paper companies cannot make enough paper.", "using recycled paper reduces the cutting of new trees.", "most paper is made from species of trees that are endangered.", "recycled paper is less expensive than paper made without recycling." ]
null
B
mmlu_stem
mmlu_stem_4939
Ellen Parker was worried about her health. She could not walk very quickly and it was difficult for her to climb stairs . She was soon out of breath. "I think I had better go to the doctor, " she thought. She went to the doctor and told him her problem. "I'm not at all surprised, "he said. "It's obvious what your pro...
[ "she might put more on weight.", "She might stop eating too much.", "She might have a heart attack.", "She might go to another doctor." ]
null
C
mmlu_stem
mmlu_stem_13252
The brain receives information from the outside world through the sensory system.This information is collected through the eyes,the nose,the ears,the mouth and the surface of the body.It is then kept in the memory.In fact,scientists do not completely understand how the memory works but they are not sure how much info...
[ "recently", "about seventy years ago", "in their thirties", "in their classroom" ]
null
B
mmlu_stem
mmlu_stem_5641
The Crowne Plaza Hotel in Copenhagen is offering a free meal to any guest who is able to produce electricity for the hotel on an exercise bike linked to a generator ,The idea is to get people fit and reduce their carbon footprint. Guests will have to produce at least 10 watt hours of electricity -- roughly 15 minutes ...
[ "By becoming a professional cyclist.", "By cycling to produce some electricity.", "By linking a smart phone to a bicycle.", "By monitoring his or her carbon footprint." ]
null
B
mmlu_stem
mmlu_stem_9991
Millions of people die of hunger in Southern Africa every year, but when prefix = st1 /Zambiawas offered thousands of tons of free maize by theUS, the government politely said no. "We don't know whether the food is safe," said Zambia's Commerce, Trade and Industry Minister Dipak Patel. His worries are shared by countri...
[ "people have discovered that GM foods will do harm to human health", "millions ofZambiapeople die of eating too much GM foods", "people are still not sure if GM foods will do harm to human health", "genetic material added to plants will damage our bodies sooner or later" ]
null
C
mmlu_stem
mmlu_stem_21456
If enough dirt is able to accumulate over a carcass, then eventually that carcass may
[ "be solidified in stone", "be frozen in carbonate", "be melted to a tree", "become a source of water" ]
null
A
mmlu_stem
mmlu_stem_6132
March Break Leadership Camp The aim of this FREE program is to develop an awareness of race relations, diversity, an equal issue for students in Grades 6-8. Place: The Central Library Room Time: March 16&17, 2009 from 9:00 am to 3:00 pm Pick up and hand in registration forms at the Central Library. All forms must be h...
[ "register for each session a month in advance", "find other students to form a group", "go to the library to register by yourself", "own a valid Public Library card" ]
null
D
mmlu_stem
mmlu_stem_9054
Researchers at Massachusetts General Hospital for Children (MGHfC) have invented a new term that describes dangers associated with cigarette smoke: third-hand smoke. Study results published in January, 2009 discuss how third-hand smoke is especially dangerous for children. Have you ever walked into a room that had the ...
[ "keeping kids out of room when you smoke", "cleaning the house to get rid of poisons", "making yourself clean before contacting kids", "trying to forbid smoking in home" ]
null
A
mmlu_stem
mmlu_stem_6842
Here in Alaska, the wolf almost disappeared a few years ago, because hunters were killing hundreds of them for sport. However, laws were passed to protect the wolves from sportsmen and people who catch the animals for their fur. So the wolf population has greatly increased. Now there are so many wolves that they are de...
[ "Because wolves will have no deer to kill.", "Because people will kill them for punishment.", "Because killing deer is dangerous.", "Because wolves mainly live on deer." ]
null
D
mmlu_stem
mmlu_stem_16755
There is an old English saying.It tells us that we must go to bed early and get up early in the morning.Then we shall be healthy.We shall also be rich and clever.This is true.The body must have enough sleep to be healthy.Children of young age should have ten hours' sleep every night.Children who do not have enough slee...
[ "ten", "nine", "eleven", "twelve" ]
null
A
mmlu_stem
mmlu_stem_7881
Saturday 28 April, 2001: Dennis Tito was setting off on his holiday. Mr. Tito's journey was certainly unusual! So was the transport he chose, and the price of his trip. The 60-year-old multi-millionaire from New York was sitting on board a Russian spaceship. He was on a journey to the International Space Station. It ...
[ "Business Travelers", "Space Tourists", "A Space Exploration", "A Frightening Adventure" ]
null
B
mmlu_stem
mmlu_stem_9910
A recent study of ancient and modern elephants has come up with the unexpected conclusion that the African elephant is divided into two distinct species. The discovery was made by researchers at York and Harvard Universities when they were examining the genetic relationship between the ancient woolly mammoth and masto...
[ "DNA", "height", "weight", "population" ]
null
A
mmlu_stem
mmlu_stem_20640
Robotics would have great difficulty in existing if these had yet to be invented.
[ "pots", "cats", "desktops", "paper towels" ]
null
C
mmlu_stem
mmlu_stem_372
In New York State, an observer will usually see the Sun rise in the
[ "north", "south", "east", "west" ]
null
C
mmlu_stem
mmlu_stem_17725
Which disease is correctly paired with the cause of the disease?
[ "athlete's foot - fungi", "malaria - viruses", "influenza - bacteria", "pneumonia - protists" ]
null
A
mmlu_stem
mmlu_stem_5771
Something in chocolate could be used to stop coughs and lead to more effective medicines, say UK researchers. Their study found that theobromine , found in cocoa, was nearly a third more effective in stopping coughs than codeine, which was considered the best cough medicine at present. The Imperial College London resea...
[ "cannot be as effective as codeine", "can be harmful to people's health", "cannot be separated from chocolate", "can be a more effective cure for coughs" ]
null
D
mmlu_stem
mmlu_stem_5639
An English traveler spent a few weeks in Sweden. When he was about to return home,he found that he had only enough money left to get a ticket to England. Thinking the matter over, he decided that as it was only a two days' voyage he could get home without eating anything. So he bought a ticket with that little money he...
[ "One.", "None.", "Six.", "There." ]
null
A
mmlu_stem
mmlu_stem_7154
Hemophilia results when a gene fails to produce the protein needed for the blood to clot ,or change from a liquid to a solid .The fault gene is passed from parents to children .People with hemophilia suffer uncontrolled bleeding .This can result in pain , tissue swelling and permanent damage to joints and muscles. ...
[ "It is caused by a fault gene and is passed from parents.", "It causes uncontrolled bleeding.", "People with hemophilia don't have any physical damage and can lead normal lives.", "It doesn't succeed in making protein needed for blood to form into clots." ]
null
C
mmlu_stem
mmlu_stem_13567
When I was seven years old, my family made me an ant farm. First, we put clean sand in a thin glass box. Then we waited for the ants to arrive. After the ants were in the glass farm, they started to make tunnels . I was amazed that each one knew exactly what to do. Each had its own job. On the fifth day a tragedy happ...
[ "The writer knocked the glass box over because he put his face so close to the glass farm.", "The ants didn't die one by one after the tunnels were destroyed.", "Like people, teamwork is very important for the ants.", "Giving up isn't a good way when we meet trouble." ]
null
B
mmlu_stem
mmlu_stem_13250
When you are ill, you should go to see a doctor. After the doctor looks you over, he will give you a note to take to the _ for some medicine. Chemists are usually good at reading doctors' notes. But sometimes doctors write too badly and even the chemist can not read them. One day a woman wrote to a doctor to invite him...
[ "go to the chemist to get some medicine", "call the doctor have dinner with them", "read the note again", "take the reply to the chemist for help" ]
null
D
mmlu_stem
mmlu_stem_21058
A seeing eye dog is able to do this better than his master:
[ "open a door", "speak out loud", "talk to friends", "observe visually" ]
null
D
mmlu_stem
mmlu_stem_7707
A single night of taking the drug Ecstasy can cause serious brain damage and speed up the start of Parkinson's disease , scientists say. Just two or three Ecstasy tablets can permanently destroy brain cells that affect movement and reasoning, according to American research that links the drug to Parkinson's for the f...
[ "Because these animals usually take drugs.", "Because their brain is similar to human beings.", "Because there is a model in the animals' brains.", "Because they will soon get well after the experiment." ]
null
B
mmlu_stem
mmlu_stem_18384
What information is needed to calculate the speed of a car?
[ "the road conditions and type of tires", "the type of engine and the amount of gas used by the engine", "the car length and distance traveled", "the distance travel" ]
null
D
mmlu_stem
mmlu_stem_8247
As a teenager in 1972, Bill Gates boasted that he would be a millionaire by the time he was 20. While he did not quite achieve that goal, only 15 years later, he was a millionaire. And by 1992, as head of the Microsoft company, he became the richest man in America with assets of nearly US $ 6.3 billion. Born in Seattle...
[ "no one was interested in computer software", "software programs were not considered commercial projects", "software programs were very expensive", "no one wanted to pay for computer software" ]
null
B
mmlu_stem
mmlu_stem_12265
Mary had some troubles, so she went to see the doctor. He was a new doctor, and did not know her. So he first asked her some questions. One of the questions was, "What is your age?" "Well..." Mary answered, "I don't quite remember, doctor, but I will try to think." She thought for a while and then said, "Yes, I remem...
[ "she had a headache", "she had a fever", "she had caught a cold", "she wasn't feeling well" ]
null
D
mmlu_stem
mmlu_stem_14198
Help wanted Can you spend two hours a week doing some gardening? We are in need of help from 2 pm to 4 pm every Saturday. If you word like to help out, please call Elaine at 4435--7792 A Telephone Message From:Jessica To:Lucas Date: May5 Time:15:00 Message: She says that you must put on Your spo...
[ "Go to a party.", "Go to a movie.", "Go climbing.", "Go shopping." ]
null
C
mmlu_stem
mmlu_stem_11578
Google Glass, a wearable computer, will not go on sale for many months. But the resistance is already under way. The glasses-like device, which allows users to access the Internet, take photos and shoot videos, has been banned by a bar in Seattle, because according to the bar' owner, the bar was "kind of a private plac...
[ "Google Glass is an immature product.", "They are acting cautiously in designing Google Glass.", "People can take photos without eyeing the objects.", "Google Glass is just as normal as a smart phone." ]
null
C
mmlu_stem
mmlu_stem_802
What is one way to change water from a liquid to a solid?
[ "decrease the temperature", "increase the temperature", "decrease the mass", "increase the mass" ]
null
A
mmlu_stem
mmlu_stem_7685
There once lived in China a very foolish king and queen. One day the queen had a baby daughter. When they saw their baby, they both cried out, "My goodness! How small it is! It's hairless and toothless! It's a monster!" They sent for all the doctors in the country and ordered them to prepare some medicine for her. "Whe...
[ "Had the doctors not brought back a beautiful girl", "If the doctors hadn't found the minerals", "Had the doctors not been able to prepare the magic medicine?", "If the daughter were still a monster twelve years later" ]
null
D
mmlu_stem
mmlu_stem_15330
Can you think of a sentence? It has the word "and" five times, without any words in between? There is one at the end of this story. There was an inn. It was called "The Horse and Cart". Many people came to have a drink and chat with each other after work. It had a sign outside it, and there was a horse, a cart and some...
[ "blackboard", "house", "painter", "sign" ]
null
D
mmlu_stem
mmlu_stem_15102
Here is a picture of Mr Wang's family. The man in the middle is Mr Wang, the father. The woman is the mother. They only have a daughter. Her name is Wang Jia. She is 14 years old. She is a good student in Foreign Language School. Her classmates like her very much, and her parents like her very much, too. Is Wang Jia a...
[ "No, she isn't.", "No, she is.", "Yes, she isn't.", "Yes, she is." ]
null
D
mmlu_stem
mmlu_stem_12970
Wen Feng Store Sale Goods Colors Price(each) Socks Black, white, green $3 Sweater Black $15 Hat Blue, white $4 T-shirt Red, green $14 Shoes Black and white $25 Bag Blue $5 ,. The store has hats in _ .
[ "all colors", "blue, white and black", "blue and black", "white and blue" ]
null
D
mmlu_stem
mmlu_stem_19445
If a cow is offered a choice, it will turn down
[ "a bale of hay", "a piece of carrot", "a chunk of apple", "a chunk of pork" ]
null
D
mmlu_stem
mmlu_stem_2858
While all my classmates seen to be crazy about a one-way ticket to Mars , I'd rather say Mars is totally unsuitable for human existence. People won't have enough food supplies there, and the terrible environment would make it impossible for them to live a long life. Besides, the journey won't be safe. Can anybody expla...
[ "humans need only a one-way ticket to Mars.", "two-way trips to Mars will be made safe soon", "it is easy to reduce the danger and cost of flights to Mars", "it is cheap to build an everlasting human settlement on Mars" ]
null
A
mmlu_stem
mmlu_stem_13253
Every living thing on Earth is either a plant or an animal, right? Wrong! Many organisms in our world are neither. Some of them float through the air, and some lie hidden in the ground. They do not need sunlight to survive, and if the weather becomes too cold, they can become inactive until conditions improve. What are...
[ "fungi can move everywhere by themselves", "fungi are unable to survive in cold conditions", "some fungi can make food from the energy in sunlight.", "some fungi are useful to humans and the environment" ]
null
D
mmlu_stem
mmlu_stem_17003
Look at the picture. What can you see? In the picture there is a big table with a lot of things on it. There are three bottles of orange juice, two glasses of milk, some bread, cakes and so on. look, there is a cat under the table. It's Kate's cat. Its name is Mimi. I think it like them very much. No, Mimi. You can't h...
[ "behind the door", "under the table", "near the window", "on the floor" ]
null
B
mmlu_stem
mmlu_stem_8068
Today, nearly 400 animals are listed as threatened or endangered animals in the United States. Many are at risk of becoming extinct or disappearing permanently. Unless efforts to save these vulnerable animals succeed, many of the country's greatest creatures will be lost forever. From the facts listed, guess which ani...
[ "master the herds", "show their beauty", "fight with others", "hunt for food" ]
null
C
mmlu_stem
mmlu_stem_13206
There are two main kinds of sports. These two kinds of sports are team sports and individual sports. Team sports are such sports as baseball,basketball and volleyball. Team sports need two separate teams. The teams play against each other. They compete against each other in order to get the best score. For example, ...
[ "Team A wins", "Team B wins", "both Team A and Team B win", "both Team A and Team B lose" ]
null
B
mmlu_stem
mmlu_stem_16985
Hi there , How are you ? Thanks for your last e-mail . You want to know how I get to school , right ? Well ,I usually leave my home at about 8:00 and walk to the bus stop . The school bus usually comes at about 8:15 .My school is about 20 kilometers from my home .It takes about 40 minutes to get there by bus .The bus r...
[ "the bus", "the school", "the e-mail", "the bus ride" ]
null
D
mmlu_stem
mmlu_stem_2664
The common cold is the world's most widespread illness, which is probably why there are more myths(,) about it than any of the other illnesses. The most widespread mistake 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 i...
[ "The reason and the way people catch colds.", "The continued spread of colds.", "The experiments on colds.", "The myths about colds." ]
null
A
mmlu_stem
mmlu_stem_4086
An 80-year-old man was sitting on the sofa in his house along with his 45-year-old highly educated son. Suddenly a crow perched on their window. The father asked his son, "What is this?" The son replied, "It is a crow." After a few minutes, the father asked his son the 2 time, "What is this?" The son said, "Father, I h...
[ "35 years old", "38 years old", "45 years old", "80 years old" ]
null
B
mmlu_stem
mmlu_stem_1905
Which of the following is one reason that quartz is classified as a mineral?
[ "It can be manufactured.", "It comes in different colors.", "It has a specific crystal structure.", "It can be melted at high temperatures." ]
null
C
mmlu_stem
mmlu_stem_10389
From the moment that an animal is born it has to make decisions . It has to decide which of the things around it are for eating , and which are to be avoided ; when to attack and when to run away . The animal is , in fact , playing a very dangerous game with its environment , a game in which it must make decision--a ma...
[ "if the animal makes a wrong decision", "if the animal plays a dangerous game", "when the animal attacks its enemy", "when the animal runs too slowly" ]
null
A
mmlu_stem
mmlu_stem_7106
Deep in the western Amazon rainforest, live butterflies that drink turtle tears. That sounds like a line straight out of a fantasy novel, but it's one hundred percent real life! It's an unusual sight--a crowd of butterflies flying around the eyes of yellow-spotted river turtles, trying to get a little tear.s. The poor...
[ "the butterflies like eating meat for getting salt .", "the turtles like the butterflies drinking their tears", "turtle tears are the only source of salt for the butterflies", "the Andes Mountains lies east of the western Amazon rainforest" ]
null
D
mmlu_stem
mmlu_stem_13505
Please come to meet a family from Canada. The girl's name is Wendy. Her family are in China now. Her father and mother work in Shanghai. Wendy's father is an office worker and her mother teaches English in a school. Wendy has two brothers but no sisters. They are all students but they are in different school. She is in...
[ "the same school", "the same class", "the same grade", "different grades" ]
null
D
mmlu_stem
mmlu_stem_17394
Which is an example of a chemical change?
[ "a rusting car fender", "a spinning top", "a spilled bucket of water", "a melting popsicle" ]
null
A
mmlu_stem
mmlu_stem_697
A snack consists of peanuts, sunflower seeds, raisins, almonds, and chocolate pieces. Which statement describes why this is a mixture?
[ "It is made up of more than one substance.", "It is impossible to separate the substances.", "The components retain their original properties.", "The components chemically combine with each other." ]
null
C
mmlu_stem
mmlu_stem_8210
The horsepower was first used two hundred years ago. James Watt had made the world's first widely used steam engine. He had no way of telling people exactly how powerful it was, for at that time there were no units for measuring power. Watt decided to find out how much work one strong horse could do in one minute. ...
[ "one horse's power", "what one strong horse can do in one minute", "what one horse can do in a day", "what work one horse can do as much as possible" ]
null
B
mmlu_stem
mmlu_stem_667
Mrs. Gordon's class studies maple trees. Which property can the students measure with a meter stick?
[ "the mass of a leaf", "the volume of its sap", "the length of a branch", "the temperature of its bark" ]
null
C
mmlu_stem
mmlu_stem_12046
In today's world, we rely on computers as never before.They are used for everything from ordering a pizza to running hospitals and military defense systems.Banking and credit card information is stored and accessed by computers.So what happens when a computer gets infected with a virus? One effect is that people's acce...
[ "It is spread when an e-mail account is opened.", "It is spread through on-line chatting.", "It is spread through e-mail.", "It spreads from web site to web site." ]
null
C
mmlu_stem
mmlu_stem_19634
Do objects change size with distance for Stevie Wonder?
[ "Yes", "No", "sometimes", "maybe" ]
null
B
mmlu_stem
mmlu_stem_17347
Which best describes a proton?
[ "negatively charged and has a negligible mass", "negatively charged and part of the nucleus", "positively charged and part of the nucleus", "negatively charged and orbits the nucleus" ]
null
C
mmlu_stem
mmlu_stem_2470
An article published recently in the scientific journal Nature is shedding new light on an important, but so far little has been appreciated, aspect of human evolution. In this article, Professors Dennis Bramble, and Daniel Lieberman suggest that the ability to run was a decisive factor in the development of our specie...
[ "early humans had an advantage in obtaining food thanks to the running ability", "fossils help us better understand human evolution.", "our Achilles tendons are an adaptation for running efficiently", "big brains may have been evolved for running long-distance" ]
null
D
mmlu_stem
mmlu_stem_1052
A parent and a child share several characteristics. Both individuals are tall, have curly hair, are good cooks, and have freckles. Which of these characteristics is a learned behavior?
[ "being tall", "having curly hair", "being a good cook", "having freckles" ]
null
C
mmlu_stem
mmlu_stem_19963
What color is a stick bug?
[ "brown", "gray", "green", "black" ]
null
A
mmlu_stem
mmlu_stem_14095
Yang Liwei circled the earth 14 times in 21 hours on October 15 and 16, 2003, landing on the grasslands of Inner Mongolia. Looking a little tired, Yang stepped out of Shenzhou V, smiling and waving at the waiting people. "I feel very good." Yang said to Premier Wen Jiabao on the phone. Yang said to a newspaper, "For ou...
[ "There is no difference between China's spaceship and other countries.", "Yang Liwei knew he would be China's first spaceman long before.", "From the news, Yang Liwei was too excited to fall asleep.", "Yang was proud of the flight." ]
null
D
mmlu_stem
mmlu_stem_14996
The most common disease in the world is the cold. It often starts with a sore throat . You sneeze and your nose runs. You usually have a headache, too. Often you have a cough later. It's not a serious disease, but you can feel quite bad. There isn't a cure for a cold, but you can take some medicine to make you feel b...
[ "headache", "a cough", "a pain in your throat", "feeling a little cold" ]
null
C
mmlu_stem
mmlu_stem_5180
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...
[ "Health.", "Nature.", "People.", "Science" ]
null
D
mmlu_stem
mmlu_stem_619
Scientists know that Earth is constantly changing. They are familiar with the processes that are repeated daily, monthly, and yearly. Which of these is a natural event that can be predicted to occur monthly?
[ "volcanic eruptions", "earthquake activity", "phases of the moon", "precipitation amounts" ]
null
C
mmlu_stem
mmlu_stem_2711
On the old-time farm in America, there were chickens, cows, pigs and horses. But there were very few machines. Most of the work was done by the farm family. Sometimes more workmen were needed in busy seasons. Work done by horses took up 79 percent; by men, 15 percent; and machine work only took up 6 percent. Today all ...
[ "17", "16", "15", "14" ]
null
C
mmlu_stem
mmlu_stem_7350
Grasshoppers are having to change their song -- one of the iconic sounds of summer -- to make themselves heard above the noise of road traffic, ecologists have discovered. The study, published in the British Ecological Society's journal Functional Ecology, is the first to show that human-made noise affects natural inse...
[ "introduce how grasshoppers make noises to attract mates.", "raise the awareness of protecting bow-winged grasshoppers.", "inform us of a recent discovery of ecological research.", "warn us that human-made noise has changed ecological system." ]
null
C
mmlu_stem
mmlu_stem_310
Which model is used by scientists to determine the properties of elements?
[ "a Punnett square", "the Periodic Table", "a pedigree chart", "the rock cycle" ]
null
B
mmlu_stem
mmlu_stem_15047
Johnson likes swimming in a small river near his house. But then his father goes to work in a big city and Johnson goes with his family. Their new house has a garden, but the garden is very small Johnson is not very happy. "Is there a river near the house?"He asks his father on the first morning." No, there isn't. But ...
[ "small river", "big park", "small garden", "big pool" ]
null
C
mmlu_stem
mmlu_stem_11646
Well, when the huge wave hit the boat, my safety belt broke and I was swept overboard. I don't really understand how it happened, but it did. I heard someone yell out, but then my boat, Wild One, went off into the darkness and I was alone in a very rough sea. I then spent five and a half hours in the water. The place w...
[ "cover him with more dry clothes", "warm him with his body heat", "comfort him", "congratulate him" ]
null
B