instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: algae plays significant roles as food in water ecosystems, question: What plays a significant role as food in water ecosystems?
answer:
algae


question:
statement: dendrites receive electrical signals, question: What do dendrites receive?
answer:
electrical signals


question:
statement: at least one in every five people in the world is in a time of significant mental, emotional and social changes., question: How many people in the world are in a time of significant mental, emotional and social changes?
answer:

at least one in every five