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: Cancer is a disease in which cells divide out of control.
Cancer is cause of death.

Fact: Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes.
Cytokinesis.

Fact: a rubber band snapping causes the particles in the rubber band to vibrate.

noise is caused by vibration.