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: Sliding friction is friction that acts on objects when they are sliding over a surface. Question: What type of friction is friction that acts on objects when they are sliding over a surface?
Example Output: sliding friction

Example Input: Sentence: The unpaired ethmoid bone is located at the midline within the central skull. Question: The unpaired ethmoid bone is located where within the central skull?
Example Output: at the midline

Example Input: Sentence: Bronze is an alloy of copper and tin. Question: What is an alloy of copper and tin?
Example Output:
bronze