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.

Input: Consider Input: Fact: the vomiting reflex is used to remove toxic material from the stomach before it is absorbed.

Output: vomit toxic.


Input: Consider Input: Fact: Lions live in social groups called prides.

Output: Lion.


Input: Consider Input: Fact: Mollusks live in most terrestrial, freshwater, and marine habitats.


Output: marine habitats biomes.