Task: Story Composition
Input (English): Premise: Richard was scared of dogs. 
 Initial Context: He thinks every dog will bite him. 
 Original Ending: He visited his friends house one day. His friend introduced him to his pet dog chihuahua. Richard almost fainted. 
 Counterfactual Context: He thinks every dog except small ones will bite him.
Output (English): He visited his friends house one day. His friend introduced him to his huge pit bull. Richard almost fainted.