Task: Story Composition
Input (English): Premise: Mary loved butterflies. 
 Initial Context: One day she noticed several large caterpillars in her garden. 
 Original Ending: She decided to bring them inside to protect them from birds. She put them in a terrarium with lots of leaves for them to eat. Eventually they metamorphosed into butterflies! 
 New ending: She decided to bring it inside to protect them from birds. She put them in a terrarium with lots of leaves for it to eat. Eventually he metamorphosed into a butterfly! 
Output (English): One day she noticed one small caterpillar in her garden.