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.
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Question: Sentence: Group 15 of the periodic table is also called nitrogen group. Question: Group 15 of the periodic table is also called which group?

Answer: nitrogen


Question: Sentence: Does the stream-lined body featured on most fish increase or decrease water resistance? Question: Does the stream-lined body featured on most fish increase or decrease water resistance?

Answer: decrease


Question: Sentence: Even the age of earth has been estimated on the basis of radioisotopes. Question: Even the age of earth has been estimated on the basis of what?

Answer:
radioisotopes