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

Ex Input:
statement: Triceps shrinking causes a person 's hinged joint to straighten., question: What shrinking causes a person's hinged joint to straighten?

Ex Output:
Triceps

Ex Input:
statement: hunting requires detecting an animal, question: What is required for hunting?

Ex Output:
detecting an animal

Ex Input:
statement: A radio is used for exchange of knowledge., question: What is a radio used for?

Ex Output:
exchange of knowledge