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: Exchange occurs directly with the external environment in unicellular organisms type of organisms. Question: Exchange occurs directly with the external environment in what type of organisms?
[A]: unicellular organisms


[Q]: Sentence: Breathing control is only effective if ventilation is matched to blood flow through alveolar capillaries. Question: What is only effective if ventilation is matched to blood flow through alveolar capillaries?
[A]: breathing control


[Q]: Sentence: Combustion reaction occurs when a substance reacts quickly with oxygen. Question: What occurs when a substance reacts quickly with oxygen?
[A]:
combustion reaction