Part 1. 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.
Part 2. Example
Fact: pesticides cause pollution.
Answer: pollution harms.
Explanation: This is a good topic word, because it contains one overlapping word "pollution".
Part 3. Exercise
Fact: Mollusks are a major food source for other organisms, including humans.
Answer:
Mollusks.