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: Test wells are drilled to monitor groundwater pollution. Question: What are drilled to monitor groundwater pollution?

Answer: test wells


Question: Sentence: Gases is less dense then either solids or liquids. Question: What is less dense then either solids or liquids?

Answer: gases


Question: Sentence: Bones are made up of different types of tissue. Question: Bones are made up of different types of what?

Answer:
tissue