TASK 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.
PROBLEM: Fact: heating a liquid can be used to identify that liquid 's boiling point.

SOLUTION: Liquid boiling point.

PROBLEM: Fact: a mold spore has a negative impact on the respiratory system.

SOLUTION: mold spore spreads.

PROBLEM: Fact: creating wood-free paper does not require cutting down trees.

SOLUTION:
alternative paper wood.