instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: metal, stainless steel and plastic are used to support towers., question: What type of steel is used to support towers?
answer:
steel


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


question:
statement: Eating a variety of small portions is a way of eating that promotes good hygiene., question: What does eating a variety of small portions promote?
answer:

good hygiene