instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: bears are related to marine mammals., question: What are bears related to?
answer:
marine mammals

question:
statement: placental mammals give birth to vulnerable young, question: What are placental mammals?
answer:
vulnerable young

question:
statement: bones heal without surgery, question: bones heal without what?
answer:
surgery