Task: Story Composition
Input (English): Premise: Bob was going shopping for groceries. 
 Initial Context: His wife gave him a list of groceries to purchase. 
 Original Ending: Bob looked inside his pocket for the grocery list at the store. He couldn't find it. He had to call his wife and ask what to get from the grocery store. 
 Counterfactual Context: Bob was going shopping wife gave him groceries.
Output (English): Bob looked inside his pocket to check his wallet. He found it. He started doing his shopping.