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.

Sentence: The cranium (skull) protect(s) the brain. Question: What part of the body protects the brain?
cranium (skull)

Sentence: Nuclei with even numbers of protons, neutrons, or both are more likely to be stable. Question: Nuclei with even numbers of protons, neutrons, or both are more likely to be this?
stable

Sentence: Human blood has a buffering system to minimize extreme changes in ph. Question: Human blood has a buffering system to minimize extreme changes in what?

ph