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: Some parasites live on the surface of their host.

Ex Output:
Surface parasite.


Ex Input:
Fact: Female mammals have mammary glands.

Ex Output:
female mammals.


Ex Input:
Fact: Bacteria are the most diverse and abundant group of organisms on Earth.

Ex Output:

Bacteria names.