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: 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?
Example Output: wavelength

Example Input: Sentence: Metallic bonds hold together positive metal ions and their valence electrons. Question: What types of bonds hold together positive metal ions and their valence electrons?
Example Output: metallic bonds

Example Input: Sentence: Microwaves kind of waves are used in radar guns. Question: What kind of waves are used in radar guns?
Example Output:
microwaves