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: Bases are antacids comprised of. Question: What are antacids comprised of?

Answer: bases


Question: Sentence: Chitin is the radula made mostly of. Question: What is the radula made mostly of?

Answer: chitin


Question: Sentence: Epithelial cells are found in skin body organ. Question: Epithelial cells are found in what body organ?

Answer:
skin