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: when a gas in an open container evaporates , that gas spreads out into the air.
[A]: air contamination.


[Q]: Fact: ultraviolet light causes sunburn.
[A]: sunburn can cause cancer.


[Q]: Fact: Scientists who find and study fossils are called paleontologists.
[A]:
fossil dinosaur bones.