Task: Story Composition
Input (English): Premise: Charles was running behind schedule. 
 Initial Context: He needed to grab his keys and leave for work. 
 Original Ending: But he couldn't find his car keys. He looked all over his room, he even cleaned his room. He was ready to give up, picked up a book and found his keys. 
 Counterfactual Context: He grabbed his keys and left for work.
Output (English): But he couldn't find his wallet. He looked all over his room, he even cleaned his room. He was ready to give up, picked up a book and found his wallet.