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: a light bulb is used for seeing in the dark.
Output: 


Output:
Light bulb filament.
dark light.
dark night.
dark.
humans can't see in the dark.
lamp light bulb.
light bulb dark.
light bulb electricity.
light bulb filament.
light bulb.
light bulbs are powered using electricity.
seeing in dark avoid stumbling.
seeing is looking.