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: Aggression is behavior that is intended to cause harm or pain.
Output: 


Output:
Aggression.
aggresive DURING MATING MALES.
aggression behavior harm.
aggression behavior.
aggression harm pain.
aggression violence.
aggression.
behavior that is intended to cause harm.
causing harm pain crime.
dogs can be aggressive.
pain hurt.
pain is a deterrent.