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

[EX Q]: statement: The release of an egg during ovulation is used in mating., question: The release of an egg during ovulation is used in what?
[EX A]: mating

[EX Q]: statement: Many seeds wait for good conditions to grow., question: What do many seeds wait for to grow?
[EX A]: good conditions

[EX Q]: statement: Pedigrees are useful tools for studying heredity., question: Pedigrees are useful tools for studying what?
[EX A]:
heredity