Task: Story Composition
Input (English): Premise: Dave wanted to build muscle. 
 Initial Context: And he saw an infomercial for special protein powder. 
 Original Ending: He fantasized about being muscular. And he gave in to buying the powder. After using the protein powder, he never trusted another infomercial. 
 Counterfactual Context: He saw an infomercial for workout equipment.
Output (English): He fantasized about being muscular. And he gave in to buying workout equipment. After using the workout equipment, he never trusted another infomercial.