instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: Smallpox is not affected by medicines., question: What is not affected by smallpox?
answer:
medicines


question:
statement: bone breaks heal when osteoclasts form new bone, question: When do bone breaks heal?
answer:
osteoclasts


question:
statement: front paws are used to catch prey by some cats., question: Who uses front paws to catch prey?
answer:

cats