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: Pāhoehoe type of thin lava forms shapes and tubes as it flows. Question: What type of thin lava forms shapes and tubes as it flows?
answer:
pāhoehoe


question:
Sentence: When the ground absorbs the water and it settles below the surface it is called groundwater. Question: When the ground absorbs the water and it settles below the surface it is called what?
answer:
groundwater


question:
Sentence: The best explanation for how air masses move across the united states is that the prevailing westerlies move air masses from west to east across the united states but may be deflected by the jet stream. Question: Which is the best explanation for how air masses move across the United States?
answer:

The prevailing westerlies move air masses from west to east across the United States but may be deflected by the jet stream.