Task: Story Composition
Input (English): Premise: I was about to go inside the store. 
 Initial Context: I realized I didn't have my car keys. 
 Original Ending: I locked my keys in my car by accident. I had to call a specialist to help me open the door. The service cost me a hundred dollars. 
 New ending: I didn't lock my keys in my car by accident. I didn't have to call a specialist to help me open the door. The service would have cost me a hundred dollars. 
Output (English): I realized I was still holding my car keys.