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: Exotic species are also called invasive species because they threaten other species. Question: Why are exotic species also called invasive species?
Example Output: threaten other species

Example Input: Sentence: Do waves move faster close particles are close to each other or far away. Question: Do waves move faster when particles are close to each other or far away?
Example Output: close

Example Input: Sentence: Most skin structures originate in the dermis. Question: Where do most skin structures originate in?
Example Output:
dermis