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: When naming an ionic compound, the cation is written first. Question: What part is written first when naming an ionic compound?

Output: cation

Input: Consider Input: Sentence: Air weakly scatters visible light. Question: What weakly scatters visible light?

Output: air

Input: Consider Input: Sentence: Woolly mammoths began to go extinct thousands of years ago because of hunting by humans. Question: Why did woolly mammoths began to go extinct thousands of years ago?
Output: hunting by humans