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.

[Q]: Sentence: Leaves changing color on trees of these is the best sign that the fall season has begun. Question: Which of these is the BEST sign that the fall season has begun?
[A]: Leaves changing color on trees


[Q]: Sentence: The epidermis of a leaf contains openings known as stomata, through which the exchange of gases takes place. Question: Which part of a leaf contains openings known as stomata, through which the exchange of gases takes place?
[A]: epidermis


[Q]: Sentence: In angiosperms, flowers and fruits are adaptations essential for reproduction process. Question: In angiosperms, flowers and fruits are adaptations essential for what process?
[A]:
reproduction