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: 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: Lipids are made of long chains consisting almost solely of carbon and hydrogen. Question: What are made of long chains consisting almost solely of carbon and hydrogen?
[A]: lipids


[Q]: Sentence: Learned behavior type of behavior is most flexible. Question: What type of behavior is most flexible?
[A]:
learned behavior