Task: Story Composition
Input (English): Premise: My brother called me. 
 Initial Context: He told me he had cancer. 
 Original Ending: I began to cry. He told me not to worry because he was in stage one. Luckily, he survived and beat the cancer! 
 Counterfactual Context: He told me he had a nightmare about having cancer.
Output (English): I comforted him and told him it was all a dream. He told me that he felt much better after talking to me. Luckily, he could go back to sleep.