instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: Non-vascular plants play vital roles as producers in aquatic ecosystems., question: What plants play vital roles as producers in aquatic ecosystems?
answer:
Non-vascular plants


question:
statement: hunting requires detecting an animal, question: What is required for hunting?
answer:
detecting an animal


question:
statement: plants start food chains, question: Plants start what?
answer:

food chains