instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: cloning allows us to make copies of traits, question: What allows us to make copies of traits?
answer:
cloning


question:
statement: Pedigrees are useful tools for studying heredity., question: Pedigrees are useful tools for studying what?
answer:
heredity


question:
statement: bats use muscles for flight, question: What do bats use for flight?
answer:

muscles