Task: Story Composition
Input (English): Premise: My roommate Trey owned lots of snakes. 
 Initial Context: All of his snakes were not poisonous. 
 Original Ending: However, they were still constrictors. Once, his largest snake got loose in the house. I woke up with it next to me in bed. 
 New ending: They were all constrictors. Once, his largest snake got loose in the house. I woke up with it next to me in bed. 
Output (English): All of his snakes died on the same day.