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: Gas bubble holes helps pumice float in water. Question: What helps pumice float in water?

Answer: gas bubble holes


Question: Sentence: Enzymes speed up the rate of a specific chemical reaction and are therefore known as biochemical catalysts. Question: Enzymes speed up the rate of a specific chemical reaction and is therefore known as what?

Answer: biochemical catalysts


Question: Sentence: Electrochemistry is the study of the relationship between electricity and chemical reactions. Question: What is the study of the relationship between electricity and chemical reactions called?

Answer:
electrochemistry