Task: Story Composition
Input (English): Premise: Lana loved horses. 
 Initial Context: So she saved money for horseback riding lessons. 
 Original Ending: She was ecstatic when she approached her teacher and horse. But when she started to get on the horse, she became really scared. And after a few minutes, she didn't want to ride anymore. 
 Counterfactual Context: So she saved money and bought herself 2 horses.
Output (English): She was ecstatic when she approached her new horses. But when she started to get one of the horses, she became really scared. And after a few minutes, she didn't want to ride it anymore.