Task: Story Composition
Input (English): Premise: Tabby was one of my best friends, until the day she died. 
 Initial Context: We left a campground just outside of our town in her mustang. 
 Original Ending: She turned left onto highway 64, but drifted into oncoming lanes. The last thing I remember was her looking at me, hand on her chest. She fell over sideways just before the semi hit, driving over her side. 
 Counterfactual Context: She had cancer.
Output (English): She turned 10 just before the vet told us she was sick. The last thing I remember was her looking at me while I petted her head. She fell over sideways just before she closed her eyes for the last time.