instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: Pedigrees are useful tools for studying heredity., question: Pedigrees are useful tools for studying what?
answer:
heredity


question:
statement: Sports requires a lot of calories, question: How much calories does sports require?
answer:
a lot


question:
statement: The period after puberty is a time of significant mental, emotional, and social changes., question: What is the period after puberty?
answer:

significant mental, emotional, and social changes