instruction:
In this task, you need to write a topic word from the given fact. The topic word must have at least one word overlap with the given fact. The topic word often involves adding a new word from a related concept. In your topic word, use at least one word from the given fact. Topic words with two or more words work best.
question:
Fact: Playing is one way mammals and other animals learn how to behave.
answer:
animal learn behave train.


question:
Fact: thirst is used to make an animal realize that it needs to replenish its bodily water by the body.
answer:
animal chicken.


question:
Fact: a cactus stem is used for storing water.
answer:

cactus desert plant.


