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

[EX Q]: statement: acetate changes the color of litmus paper from blue to red, question: What color does acetate change the color of litmus paper?
[EX A]: blue

[EX Q]: statement: travelling requires maps, question: Travel requires what?
[EX A]: maps

[EX Q]: statement: steel is used for bearing weight by suspension bridges, question: What is steel used for bearing weight?
[EX A]:
suspension bridges