instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: Some arthropods spread disease and destroy crops., question: What type of organisms spread disease and destroy crops?
answer:
arthropods


question:
statement: detailed observation of stars requires a scope, question: What is required for detailed observation of stars?
answer:
scope


question:
statement: keratin protects fish from sharks and parasites and reduce friction with the water, question: What protects fish from sharks and parasites?
answer:

keratin