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.

[EX Q]: Fact: temperature changing can cause phase changes.
[EX A]: : temperature heat.

[EX Q]: Fact: being burried under soil and mud changes vegetation into peat through extreme heat and pressure in a swamp over a long period of time.
[EX A]: buried under soil and mud.

[EX Q]: Fact: Plants detect and respond to the daily cycle of light and darkness.
[EX A]:
Plants.