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: an aquatic animal requires great amounts of water to survive.
Output: 


Output:
aquatic animal whale.
aquatic animal.
aquatic animals water survive.
aquatic animals.
aquatic dolphin.
aquatic water.
aquatic.
desert water.
fish are aquatic animals.
precipitation creates water.
survive is to live.
water to survive means gills.