Task: Story Composition
Input (English): Premise: On July 10th, we went to Joe C's birthday party. 
 Initial Context: He was turning 99 on July 13th. 
 Original Ending: His daughter, a musician, had several friends sing and play music. Other guests recited poetry to Joe, an amateur poet. Despite his age, Joe stayed at the party well past midnight. 
 New ending: His mother,  a musician, had several friends sing and play music. Other guests read stories to Joe, a story writer. Despite his age, Joe was allowed to stay at the party well past midnight. 
Output (English): He was turning 9 on July 13th.