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: Wavelength is the distance between two corresponding points of adjacent waves called. Question: What is the distance between two corresponding points of adjacent waves called?

Output: wavelength


Input: Consider Input: Sentence: Leaves changing color on trees of these is the best sign that the fall season has begun. Question: Which of these is the BEST sign that the fall season has begun?

Output: Leaves changing color on trees


Input: Consider Input: Sentence: Difference in charges causes a voltage to exist across the membrane in cells. Question: What causes a voltage to exist across the membrane in cells?


Output: difference in charges