Task: Story Composition
Input (English): Premise: Jeff had a huge exam next week. 
 Initial Context: He knew he had to study as this would affect his final grade. 
 Original Ending: Jeff was so anxious all he did was study day and night. The day of the test came and Jeff was ready. He overthought it and failed the test. 
 New ending: Jeff had been so anxious all he did was study day and night. The day of the test had came and Jeff was ready. He had been calm and aced the test. 
Output (English): He studied the right amount and aced his exam.