Task: Story Composition
Input (English): Premise: Bob was celebrating thanksgiving. 
 Initial Context: He was with all of his family. 
 Original Ending: They ate a lot of turkey and stuffing. He ate 10 plates full. He end up with a stomach ache. 
 Counterfactual Context: He did not get to eat a lot because all his family was there.
Output (English): They didn't have a lot of turkey and stuffing. He only ate 1 plate. He was glad he didn't end up with a stomach ache.