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.

Sentence: Water makes up most of  biological tissues. Question: What makes up most of  biological tissues?
water

Sentence: Animals produce most of enzymes chemicals, which are needed to synthesize the fatty acids they need. Question: Animals produce most of what chemicals, which are needed to synthesize the fatty acids they need?
enzymes

Sentence: Incubation is when birds keep their eggs warm while the embryos inside develop. Question: What is it called when birds keep their eggs warm while the embryos inside develop?

incubation