Task: Story Composition
Input (English): Premise: The other day I was going to eat a chocolate chip cookie. 
 Initial Context: I served myself some milk and everything. 
 Original Ending: I sat down and took a bite to discover they were prune cookies. It was disgusting. I spat it out and decided to eat something else entirely. 
 Counterfactual Context: I served myself something to drink instead.
Output (English): I sat down and took a sip to discover the milk was spoiled. It was disgusting. I spat it out and decided to drink something else entirely.