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: Proteins is needed to create muscles, regulate chemical reactions, and transport oxygen. Question: What is needed to create muscles, regulate chemical reactions, and transport oxygen?
[A]: proteins


[Q]: Sentence: Mitosis actually occurs in four phases. Question: Mitosis actually occurs in how many phases?
[A]: four


[Q]: Sentence: A sealed, vacuum-insulated reaction flask approximates the condition of a isolated system, in which neither matter nor heat can be exchanged between system and surroundings. Question: A sealed, vacuum-insulated reaction flask approximates what condition, in which neither matter nor heat can be exchanged between system and surroundings?
[A]:
isolated system