Task: Story Composition
Input (English): Premise: Gary communicated with an exchange student for several years. 
 Initial Context: They agreed to meet up together in person. 
 Original Ending: Gary arrived to the mall and searched for his friend. A strange man touched his arm. Gary found out the strange man he didn't knew was his friend. 
 Counterfactual Context: He agreed to meet the young mother-of-two in her science class.
Output (English): Gary arrived at the school and searched for his friend. A strange man touched his arm. Gary found out the strange man he didn't know was his friend's husband.