instruction:
Given a statement and question, generate the answer to the question such that the answer is contained in the statement.
question:
statement: fly infection is established when flys enter through the skin, question: What is established when flys enter through the skin?
answer:
fly infection


question:
statement: h2o is essential for all plants on Earth, question: What is essential for all plants on Earth?
answer:
h2o


question:
statement: a camera can help people remember, question: What can help people remember?
answer:

a camera