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: Cloud of these can make a shadow on the ground during the day. Question: Which of these can make a shadow on the ground during the day?
answer:
Cloud


question:
Sentence: A grain of pollen can be described as a tiny male gametophyte enclosed in a tough capsule. Question: What can be described as a tiny male gametophyte enclosed in a tough capsule?
answer:
grain of pollen


question:
Sentence: Stationary front weather phenomenon, which may bring clouds and precipitation, is created by stalled air masses. Question: What weather phenomenon, which may bring clouds and precipitation, is created by stalled air masses?
answer:

stationary front