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: All carbon atoms have six protons. Question: All carbon atoms have how many protons?

Answer: six


Question: Sentence: Co 2 is the molecular formula of carbon dioxide. Question: What is the molecular formula of carbon dioxide?

Answer: co 2


Question: Sentence: Instead of wood, some fireplaces use propane. Question: Instead of wood, what do some fireplaces use?

Answer:
propane