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: a wheeled vehicle requires smooth surfaces.
[A]: asphalt is a smooth surface.


[Q]: Fact: All animals are heterotrophs.
[A]: All animals are heterotrophs.


[Q]: Fact: Wetlands are extremely important biomes.
[A]:
biomes habitat.