Task: Story Composition
Input (English): Premise: Mr B was an elementary school teacher. 
 Initial Context: But no matter how much he yelled, his students never behaved. 
 Original Ending: One day, Mr B gave up. And he decided to let his students do whatever they wanted. But they felt strange because Mr B was so quiet. 
 Counterfactual Context: He never yelled because his students are well behaved.
Output (English): One day, Mr B was tired. And he decided to let his students do whatever they wanted. They played quietly because they could tell Mr B was tired.