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 practice of magic includes special words, actions, and objects. Most magic involves a person called a magician, who claims to have supernatural powers. Magic words. To work most magic, the magician sings or speaks special words in a certain order. These words are called incantations or spells. Some spells form prayers to demons , spirits, or other supernatural forces. Many societies believe the magic will not work unless the magician recites the spells perfectly. Other magic words have no meaning, though they supposedly possess power when spoken by a magician. Magic actions accompany the words spoken in performing much magic. Many of these movements act out the desired effect of the magic. For example, a magician trying to make rain fall may sprinkle water on the ground. The magician's combined words and actions form a ceremony. Magic objects include certain plants, stones, and other things with supposed supernatural powers. Any such object may be called a fetish . But this term often refers to an object--for example, a carving or a dried snake--honored by a tribe for its magic powers. Many tribes believe fetishes have magic power because spirits live in these objects. Many people carry magic objects called amulets to protect themselves from harm. Many amulets are stones or rings engraved with magic symbols. The magician, in some societies, nearly everyone knows how to work some magic. In other societies, only experts practice magic. Magicians may be called medicine men, medicine women, shamans, sorcerers, or witch doctors. In many societies, magicians must inherit their powers. In others, any person may become a magician by studying the magical arts. Many societies believe magicians must observe certain rules and taboos (forbidden actions) for their spells to work. For example, they may be required not to eat various foods or to avoid sexual activity for a certain period before the ceremony.
Answer: They have power if magician recites the right spells.
Student:
What do magic words mean to people in some society?