Task: Story Composition
Input (English): Premise: The family was visiting the zoo. 
 Initial Context: They saw a huge gorilla in an enclosure. 
 Original Ending: They watched him closely. He stared back. The gorilla was an incredible creature! 
 New ending: They watched him closely. He stared back. The tiger was an incredible creature! 
Output (English): They saw a huge tiger in an enclosure.