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: unequal heating of Earth 's surface by the Sun causes global wind patterns.
Output: 


Output:
earth our planet.
earths surface global wind patterns.
global wind patterns affect climate.
global wind patterns cause.
latitude ground heating.
latitude sun heating equator.
polar easterlies.
sun global wind patterns.
unequal heating earth.
unequal heating of Earth 's surface by the Sun is caused by.
unequal heating.
wind hurricane.
wind patterns.