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: Bioterrorism is the intentional release or spread of agents of disease.
[A]: agents of disease.


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


[Q]: Fact: Endocrine hormones travel throughout the body in the blood.
[A]:
Endocrine deficiency.