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.

Sentence: A(n) well is a hole that is dug or drilled through the ground down to an aquifer. Question: What is hole that is dug or drilled through the ground down to an aquifer?
well

Sentence: No lungs do fish have short esophaguses. Question: Why do fish have short esophaguses?
no lungs

Sentence: Vagus nerve nerve directly stimulates the contraction of skeletal muscles in the pharynx and larynx to contribute to the swallowing and speech functions. Question: Which nerve directly stimulates the contraction of skeletal muscles in the pharynx and larynx to contribute to the swallowing and speech functions?

vagus nerve