Teacher: In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Article: There are a lot of public libraries in Britain. These libraries have more than one hundred and fifteen million books, not including those libraries of public schools. Public libraries not only lend books, music records but also help children, patients in hospitals and others to get special play readings, film shows and so on. The first public libraries were founded in about the year 1850. Today's public libraries usually have a reading-room, a lending room and a reference room. The greatest and most famous library in Britain is that of the British Library in London. It was founded in 1973 and has over 10, 000, 000 books. It has nearly every magazine, newspaper and book published in Britain and other parts across the world.
Answer: 10,000,000 or less.
Solution: How many books are there in the British Library?
Reason: In the Article, 10,000,000 is mentioned for the number of books available in the British Library, so this is a good question.

Now, solve this instance: Article: The bumpy structure of walnuts is similar to the brain.Some Chinese believe eating walnuts will make them smarter because of that.By the same logic,they believe eating pig brains will increase their intelligence.This kind of food myth is true to Americans,too. Some Americans regularly eat uncooked eggs to keep their minds sharp. Most doctors don't recommend eating either raw eggs or animal brains.Then, what food is good for your brain? Scientists have found a relationship between diet and a healthy brain.It's becoming pretty clear that the right food can increase brain power--help you pay attention, keep you motivated,improve memory, and _ stress.Perhaps even prevent brain aging. The health of your brain depends not only on how much(or little)fat you eat but on what kind it is.Intellectual performance requires the specific type of fat found most commonly in certain fish.Besides oily fish,you should introduce lots of dark green leafy vegetables and color1ful fruits into your diet.Most people lack the special vitamins that these brain foods provide. But you won't do well on your test just because you ate fish the night before. You must eat brain foods regularly.
Answer: Certain vegetables.
Student:
Which of the following is needed if people want to strengthen their brain power?