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

statement: Humans took advantage of the extermination of the dinosaurs, question: What dinosaurs were exterminated by humans?
the dinosaurs

statement: Tadpoles become frogs after four months., question: After how long do tadpoles become frogs?
four months

statement: acetate changes the color of litmus paper from blue to red, question: What color does acetate change the color of litmus paper?

blue