instruction:
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.
question:
Sentence: Air pressure it decreases as altitude increases. Question: How does air pressure change as altitude increases?
answer:
it decreases

question:
Sentence: Vertebrata are characterized by the presence of backbone. Question: Vertebrata are characterized by the presence of what?
answer:
backbone

question:
Sentence: There are four chambers in the heart. Question: How many chambers are in the heart?
answer:
four