In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

[Q]: Sentence: Water makes up most of  biological tissues. Question: What makes up most of  biological tissues?
[A]: water


[Q]: Sentence: Hemoglobin is a carrier molecule that becomes less effective at binding oxygen as temperature increases. Question: Which carrier molecule becomes less effective at binding oxygen as temperature increases?
[A]: hemoglobin


[Q]: Sentence: A mold is an imprint of an organism left in rock. Question: A mold is an imprint of an organism left in what?
[A]:
rock