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: Arteries generally carry oxygen-rich blood.
Output: 


Output:
Arteries generally carry oxygen-rich blood.
arteries away from heart.
arteries away.
arteries blood.
arteries heart.
arteries.
blood is a liquid.
blood is red fluid.
humans die without blood.
oxygen rich blood.
oxygen-rich O2.
oxygen-rich blood.