Task: Story Composition
Input (English): Premise: Kyle wanted to play a trick on Wes. 
 Initial Context: Wes left his drink on the table and excused himself. 
 Original Ending: Kyle put hot sauce in Wes's soda. Wes came back and took a sip. Wes ran and spit his drink into the sink. 
 Counterfactual Context: Kyle left his drink on the table and excused himself.
Output (English): Kyle had put hot sauce in his soda. Wes reached over and took a sip. Wes ran and spit his drink into the sink.