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.

[EX Q]: Fact: the decrease of something required by an organism has a negative impact on that organism 's survival. Question: If an environment experiences a long drought?
[EX A]: ponds may dry up and kill off the fish population

[EX Q]: Fact: if two objects have the same charge then those two materials will repel each other. Question: if two objects have the same charge then those two materials will effect each other how?
[EX A]: unattract

[EX Q]: Fact: natural gas is a source of heat by burning. Question: Many families survive the winter thanks to?
[EX A]:
furnace