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.

[Q]: Fact: if a thermal conductor is exposed to a source of heat then that conductor may become hot.
[A]: heat sun.


[Q]: Fact: the looseness of soil increases the amount of oxygen in that soil.
[A]: increases the amount of oxygen in that soil.


[Q]: Fact: if soil is permeable then water easily flows through that soil.
[A]:
permeable septic.