Task: Story Composition
Input (English): Premise: Jim and Bob went hiking. 
 Initial Context: Jim expected Bob to bring water bottles. 
 Original Ending: But Bob forget them. When they decided to take a break, they realized they had no water. Jim and Bob were forced to turn around after hours of hiking. 
 Counterfactual Context: Jim brought water bottles himself expecting Bob to forget his.
Output (English): When they decided to take a break, Bob realized he forgot his. Jim and Bob were forced to turn around after hours of hiking. Jim was bummed out and frustrated.