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.

Example Input: Sentence: Substances enter any plant or animal cell by passing through cell membrane of the following structures. Question: Substances enter any plant or animal cell by passing through which of the following structures?
Example Output: cell membrane

Example Input: Sentence: Antartica continent is the only one that reptiles don't inhabit. Question: Which continent is the only one that reptiles don't inhabit?
Example Output: antartica

Example Input: Sentence: The cells of all protists have a nucleus. Question: The cells of all protists have a what?
Example Output:
nucleus