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

Example Input: statement: x-rays are used to save lives, question: What is used to save lives?
Example Output: x-rays

Example Input: statement: significant physical, emotion, and social changes can be a trying time, question: What types of changes can be a difficult time?
Example Output: physical, emotion, and social

Example Input: statement: a wheeled vehicle requires less friction, question: What does a wheeled vehicle require?
Example Output:
less friction