Given a statement and question, generate the answer to the question such that the answer is contained in the statement.

[Q]: statement: Negative images are used in hospital technology., question: What is used in hospital technology?
[A]: Negative images


[Q]: statement: a freezer removes thermal energy, question: What removes thermal energy?
[A]: a freezer


[Q]: statement: navigation requires knowing east, west, and south, question: What are two areas that require navigation?
[A]:
east, west, and south