Task: Story Composition
Input (English): Premise: Keith was driving home from work one day. 
 Initial Context: He decided he needed some gas so he pulled into a gas station. 
 Original Ending: He went in and paid for the gas and bought a lottery ticket. Keith later went home and went to sleep. Keith awoke the next morning to a winning lottery ticket! 
 Counterfactual Context: He needed gas so he pulled into a gas station, he only had enough money for 2 gallons.
Output (English): He went in and paid for the gas Keith later went home and went to sleep. Keith awoke the next morning and remembered he needed gas again.