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: conserving water can be used for survival in a dry environment.
Output: 


Output:
cacti stems water.
camels conserve water.
conserving saving.
conserving water by.
conserving water cactus.
conserving water fixing leaks.
deserts are dry.
dry arid environment.
dry environment desert.
dry environment deserts.
dry envrionment desert.
humans need water.
survival continuing exist.
surviving in a desert dry environment.
water dry survival.