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: Polysaccharides are polymers composed of many sugar building blocks called. Question: What are polymers composed of many sugar building blocks called?

Answer: polysaccharides


Question: Sentence: Proteins is needed to create muscles, regulate chemical reactions, and transport oxygen. Question: What is needed to create muscles, regulate chemical reactions, and transport oxygen?

Answer: proteins


Question: Sentence: Reabsorption are valuable metabolites recovered. Question: How are valuable metabolites recovered?

Answer:
reabsorption