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

statement: Some methods of birth control can break or be used incorrectly., question: What can break or be used incorrectly?
birth control

statement: Scales give fish more acceleration., question: What gives fish more acceleration?
Scales

statement: For mammals, teeth are important for providing health benefits via absorbed nutrients, question: What is important for mammals to provide health benefits via absorbed nutrients?

teeth