Definition: 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.

Positive Example 1 -
Input: Fact: pesticides cause pollution.
Output: pollution harms.

Positive Example 2 -
Input: Fact: pesticides cause pollution.
Output: modern farming pesticide.

Negative Example 1 -
Input: Fact: pesticides cause pollution.
Output: computer harms.

Negative Example 2 -
Input: Fact: pesticides cause pollution.
Output: toopaste helps.

Now complete the following example -
Input: Fact: if an animal lives under ground then that animal will be protected from a wild fire.
Output: 


Output:
a wild fire can cause death.
animal live under ground.
animal live underground.
animal lives under ground.
animal lives underground.
fire combustion.
ground moles.
lives under ground.
moles under ground.
what animals live underground.
wild fire.
wild fires can kill.