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.

Input: Consider Input: Sentence: No reaction happens when alkanes are mixed with oxygen at room temperature. Question: What happens when alkanes are mixed with oxygen at room temperature?

Output: no reaction


Input: Consider Input: Sentence: Individuals do populations gain through births and immigration. Question: What do populations gain through births and immigration?

Output: individuals


Input: Consider Input: Sentence: The mars rover collected round clumps of crystals that, on earth, usually form in water. Question: The mars rover collected round clumps of crystals that, on earth, usually form in what?


Output: water