Task: Story Composition
Input (English): Premise: Sara had to carry her groceries home. 
 Initial Context: When she got home, she realized her cheese was gone. 
 Original Ending: She traced her steps outside. Luckily, she found the cheese down the road. She picked it up and brought it home. 
 Counterfactual Context: She took an uber.
Output (English): She traced her steps outside when she saw that she was missing a bag. Luckily, she found the uber was just down the road. She contacted him about the bag and brought it home.