Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
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Question: statement: Ink is used for hiding from predators by some animals that eat small crabs., question: What is the name of the animal that eats ink?

Answer: small crabs


Question: statement: an abacus is used for multiplication, question: What is an abacus used for?

Answer: multiplication


Question: statement: nonvascular plants are autotrophs in aquatic ecosystems, question: What are autotrophs in aquatic ecosystems?

Answer:
nonvascular plants