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: Is the heat of reaction for an endothermic reaction is positive. Question: Is the heat of reaction positive or negative for an endothermic reaction?

Answer: positive


Question: Sentence: In a forest, decomposers help other organisms survive because they they put nutrients into the soil that plants use to grow. Question: In a forest, how do decomposers help other organisms survive?

Answer: They put nutrients into the soil that plants use to grow.


Question: Sentence: The ability of matter to combine chemically with other substances is known as reactivity. Question: The ability of matter to combine chemically with other substances is known as?

Answer:
reactivity