Teacher: In this task, you are given an adjective, and your job is to generate its antonym. An antonym of a word is a word opposite in meaning to it.
Teacher: Now, understand the problem? If you are still confused, see the following example:
accident
Solution: purpose
Reason: An accident is unintentional, while purpose involves intention. So the two words have opposite meaning and are hence antonyms.

Now, solve this instance: horse
Student:
donkey