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: Nuclear energy is released when the nucleus of an atom is split. Question: What kind of energy is released when the nucleus of an atom is split?

Output: nuclear


Input: Consider Input: Sentence: No lungs do fish have short esophaguses. Question: Why do fish have short esophaguses?

Output: no lungs


Input: Consider Input: Sentence: During the early paleozoic, the amount of carbon dioxide in the atmosphere was much greater compared to today. Question: During the early paleozoic, the amount of carbon dioxide in the atmosphere compared to today was?


Output: much greater