Task: Story Composition
Input (English): Premise: William was having a hard time walking because of his bed knee. 
 Initial Context: He was more worried about his dogs than himself. 
 Original Ending: He was upset they weren't getting as much exercise as they should. He remembered his friend had started a dog-walking business. He hired his friend and both William and his dogs were happy. 
 New ending: He was upset he wasn't getting as much exercise as he should. He remembered his friend had started a physical therapy practice. He hired his friend and both he and William were happy. 
Output (English): He had knee surgery to fix it.