instruction:
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.
question:
Sentence: The base of a nucleotide within dna consists of nitrogen. Question: What does the base of a nucleotide within dna consist of?
answer:
nitrogen

question:
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?
answer:
enzymes

question:
Sentence: Carbon is the basis of all life on earth. Question: Which chemical element is the basis of all life on earth?
answer:
carbon