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.

Input: Consider Input: Fact: polluting means something poisonous is added to an environment causing harm to the environment. Question: Factories often add something to the environment that is?

Output: posionous


Input: Consider Input: Fact: a bird is warm-blooded. Question: Which of these is warm-blooded?

Output: a vulture


Input: Consider Input: Fact: a beach ball contains gas. Question: In order to play with a beach ball, you need to fill it with?


Output: a gaseous substance