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: Plants go through seasonal changes after detecting differences in day length. Question: Plants go through seasonal changes after detecting differences in what?

Output: day length


Input: Consider Input: Sentence: Boron only occurs naturally in compounds with oxygen element. Question: Boron only occurs naturally in compounds with what element?

Output: oxygen


Input: Consider Input: Sentence: The process for developing knowledge is called science. Question: What is the process for developing knowledge called?


Output: science


