story: Tim had a dog that was a black lab. Tim's friend was a local dog whisperer. Tim's friend informed him that his dog needed to run more. Tim decided to take up running. Tim began running with the dog and they both began to feel happier.
 selected sentence: Tim's friend was a local dog whisperer.
Tim's friend want(s) to understand dogs >Motivates> Tim's friend becomes a dog whisperer 