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: During phase change, the temperature of a system remains constant. Question: What happens to the temperature of a system during phase change?

Answer: remains constant


Question: Sentence: Buds form, flowers open, fruits grow lists the correct order of changes that happen to a plant in spring. Question: Which lists the correct order of changes that happen to a plant in spring?

Answer: Buds form, flowers open, fruits grow


Question: Sentence: A cell's membrane provides a barrier to keep extracellular materials from mixing with its internal components. Question: How does a cell's membrane keep extracellular materials from mixing with it's internal components?

Answer:
provides a barrier