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.

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

Output: increases the amount of oxygen in that soil.


Input: Consider Input: Fact: when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight.

Output: a hemisphere is tilted away from the sun.


Input: Consider Input: Fact: Muscles can only contract.


Output: contract leg.