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: A solution forms when a solute dissolves in a solvent. Question: What forms when a solute dissolves in a solvent?
Example Output: solution

Example Input: Sentence: Acting like drawstrings to close off the alimentary canal, the sphincter regulates the passage of material between compartments. Question: Acting like drawstrings to close off the alimentary canal, what regulates the passage of material between compartments?
Example Output: sphincter

Example Input: Sentence: Unlike ammonia, oxygen cannot be liquefied at room temperature because its critical temperature is below room temperature. Question: Unlike ammonia, oxygen cannot be liquefied at room temperature because its what is below room temperature?
Example Output:
critical temperature