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: Lichens are not a single organism, but rather an example of a mutualism. Question: Lichens are not a single organism, but rather an example of a what?

Answer: mutualism


Question: Sentence: No reaction happens when alkanes are mixed with oxygen at room temperature. Question: What happens when alkanes are mixed with oxygen at room temperature?

Answer: no reaction


Question: Sentence: The element carbon is present in all organic molecules. Question: What element is present in all organic molecules?

Answer:
carbon