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: The malleability of materials describes the ease in which they can be molded into thin sheets. Question: What property of materials describes the ease in which they can be molded into thin sheets?

Answer: malleability


Question: Sentence: Bicarbonate ions protects tissues of the central nervous system from changes in ph. Question: What protects tissues of the central nervous system from changes in ph?

Answer: bicarbonate ions


Question: Sentence: In science, something that always applies under the same conditions is called a scientific law. Question: In science, what do you call something that always applies under the same conditions?

Answer:
scientific law