Teacher: Given a concept word, generate a hypernym for it. A hypernym is a superordinate, i.e. a word with a broad meaning constituting a category, that generalizes another word. For example, color is a hypernym of red.
Teacher: Now, understand the problem? If you are still confused, see the following example:
crystal
Solution: rock
Reason: A crystal is a type of rock, so rock is a valid hypernym output.

Now, solve this instance: coach
Student:
drive