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

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

Ex Output:
less friction


Ex Input:
statement: Cars require surfaces with less friction., question: Cars require surfaces with what?

Ex Output:
less friction


Ex Input:
statement: The Golden Gate Bridge is supported by ropes, question: What is the Golden Gate Bridge supported by?

Ex Output:

ropes


