Task: Story Composition
Input (English): Premise: Sara had always wanted to be a firefighter. 
 Initial Context: She worked very hard to become one. 
 Original Ending: Her life as a firefighter was tough. However, she loved her job. Sara was glad she became a firefighter. 
 Counterfactual Context: She worked very hard to become one but regretted it.
Output (English): Her life as firefighter was tough. So she soon looked for a new job. Sara was glad she found a new career as a librarian.