Task: Story Composition
Input (English): Premise: Mark was used to stopping at the bar and drinking beer after work. 
 Initial Context: He had done this for years without any trouble. 
 Original Ending: Mark was surprised one day when a cop stopped him while driving home. Mark had to deal with a charge of driving while intoxicated. Now, Mark still goes to the bar after work, but he only drinks soda. 
 New ending: Mark was surprised one day when a cop stopped him while driving home. Mark had to deal with a charge of driving while intoxicated. Now, Mark still goes to the bar after work, but he only drinks soda. 
Output (English): He had done this for years and he always knew his blood alcohol content.