In this task, you are given a fact statement and question based on the fact. Your task is to generate the correct answer for the question. The answer needs to be generated using the context fact statement.

Fact: pollution is when humans pollute the environment with pollutants. Question: Pollution is?
throwing a gum wrapper in the ocean

Fact: planting trees has a positive impact on an ecosystem. Question: To positively affect the environment?
cultivate dogwoods and oaks

Fact: a beach ball contains gas. Question: if a beach ball explodes, which of these would be given off?

a release of air