Given a statement and question, generate the answer to the question such that the answer is contained in the statement.

[EX Q]: statement: teenage is a time of puberty, question: What is a time of puberty?
[EX A]: teenage

[EX Q]: statement: Air pollution contains lung irritants., question: What does air pollution contain?
[EX A]: lung irritants

[EX Q]: statement: Weather refers to the conditions of the Earth's oxygen from day to day., question: What refers to the conditions of the Earth's oxygen from day to day?
[EX A]:
Weather