Task: Story Composition
Input (English): Premise: Ivan had a simple math test. 
 Initial Context: So he thought he could do every problem as quickly as possible. 
 Original Ending: He finished in a few minutes and confidently turned in his test. And he was in a good mood the whole day. But when he got his test score back, he was devastated. 
 Counterfactual Context: He aced it.
Output (English): He finished in a few minutes and confidently turned in his test. And he was in a good mood the whole day. When he got his test score back, he was ecstatic.