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.

Fact: Most organisms consume--and are consumed by--more than one species.
consume eat.

Fact: Kidney failure may be treated with dialysis.
Kidney failure.

Fact: powering an electrical device with a battery requires a path for electricity to flow through a closed circuit.

battery small device.