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: The ice crystals that form on the ground are called frost. Question: What are the ice crystals that form on the ground called?

Output: frost


Input: Consider Input: Sentence: To confirm the work of another scientist, a scientist might replicate their work. Question: What might a scientist do to confirm the work of another?

Output: replicate their work


Input: Consider Input: Sentence: Streams often start in mountains. Question: Where do streams often start?


Output: mountains