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: Hagfish are noted for secreting large amounts of thick, slimy mucus.

Ex Output:
hagfish ancient.


Ex Input:
Fact: condensation is when change from a gas into a liquid by reducing heat energy.

Ex Output:
condensation gas liquid.


Ex Input:
Fact: if an object is in the sunlight then that object will absorb solar energy.

Ex Output:

absorb solar energy.