Task: Story Composition
Input (English): Premise: Sam was as work. 
 Initial Context: he decides to get a soda from the vending machine. 
 Original Ending: It swallowed his dollar. He kept on purchasing more. He ended up losing 10 bucks 
 Counterfactual Context: He decides to ask his friend for something to drink.
Output (English): His friend agreed to help. He kept asking for more. His friend ended up refusing eventually.