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 a source of pollutants. Question: Which would be a source of pollutants?
cars

Fact: fat is used to keep animals warm. Question: A bear's blubber?
enables him to keep his body cozy

Fact: a landslide is when gravity rapidly moves rocks or soil downhill especially after a rain storm. Question: A landslide may bring immense problems to?

living regions