Task: Story Composition
Input (English): Premise: I went jogging in a field one day. 
 Initial Context: When I was ready to leave i didn't have my cell phone. 
 Original Ending: I back tracked with my dog to find it. I looked for several minutes. When I looked to my right my dog had the cell phone in his mouth. 
 Counterfactual Context: When I was ready to leave, I grabbed my cellphone.
Output (English): I back tracked and couldn't find my dog. I looked for several minutes. When I looked to my right my dog had been hiding.