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.

Example Input: Fact: Flowers attract animal pollinators.
Example Output: animal pollinator.

Example Input: Fact: Endocrine hormones travel throughout the body in the blood.
Example Output: Endocrine deficiency.

Example Input: Fact: the looseness of soil increases the amount of oxygen in that soil.
Example Output:
increases the amount of oxygen in that soil.