Task: Story Composition
Input (English): Premise: Evan wanted to teach his dog to do tricks. 
 Initial Context: But no matter how many times he released commands, it didn't work. 
 Original Ending: His dog just wouldn't listen! Then a friend suggested he reward the dog with treats when it obeyed. With positive reinforcement, Evan's dog was soon doing lots of tricks! 
 Counterfactual Context: After practicing many times, he gave commands and they worked perfectly.
Output (English): His dog just wouldn't listen at first! Then a friend suggested he reward the dog with treats when it obeyed. With positive reinforcement, Evan's dog was soon doing lots of tricks!