Task: Story Composition
Input (English): Premise: Mark was playing hide and seek with his dad. 
 Initial Context: He first found his dad very quickly. 
 Original Ending: Then it was his turn to hide. Mark's dad searched high and low, but to no avail. Mark had won the game! 
 New ending: Mark asked his brother to hide instead. Mark searched high and low, but to no avail. Mark had won the game! 
Output (English): Th phone rang and his father had to leave immediately for the office.