Task: Story Composition
Input (English): Premise: When Mark was in first grade he slipped off the jungle gym at school. 
 Initial Context: As he hit the ground, Mark felt a sharp pain his his left wrist. 
 Original Ending: Mark's teacher sent him to the school nurse. The school nurse could tell his arm was broken and called Mark's mom. She took him to the doctor to get a bright orange cast. 
 New ending: Mark's teacher sent him to the school nurse. The school nurse could tell his ankle was broken and called Mark's mom. She too him to the doctor and he got a bright orange cast on his ankle. 
Output (English): As he hit the ground, Mark felt a sharp pain his his left ankle.