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.
--------
Question: Fact: if fossils of an animal or plant are found in a place then that animal or plant used to live in that place.

Answer: fossil dinosaur.


Question: Fact: Bivalves feed on plankton and nonliving organic matter.

Answer: Bivalve.


Question: Fact: Some insects can use their antennae to detect sound.

Answer:
antennae ants.