instruction:
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: eyes are used for seeing by animals by sensing light.
answer:
animal mammals.


question:
Fact: Ejaculation occurs when muscle contractions propel sperm from the epididymes.
answer:
ejaculation semen.


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

noise is caused by vibration.


