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.

Ex Input:
Fact: if a planet becomes too hot then that planet cannot sustain life.

Ex Output:
climate change warmer planet.


Ex Input:
Fact: Bladder infections can be treated with antibiotics prescribed by a doctor.

Ex Output:
antibiotics are made from.


Ex Input:
Fact: Mutualism is a symbiotic relationship in which both species benefit.

Ex Output:

mutualism bird.