Given the task definition and input, reply with output. 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.

Sentence: Cytosol does the inside of all cells also contain. Question: What does the inside of all cells also contain?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
cytosol