instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: Guiding requires knowing where you are., question: What does Guiding require?
answer:
knowing where you are


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: Some snakes can go a long time between meals, question: What can go a long time between meals?
answer:

snakes