Task: Story Composition
Input (English): Premise: Thomas was shopping for clothes. 
 Initial Context: He saw a sign that said all t shirts were 50% off. 
 Original Ending: Thomas grabbed three t-shirts and got in line. Thomas and the cashier talked about what a good deal he found. Thomas called his friends to share the t-shirt deal. 
 New ending: Thomas grabbed three pairs of shorts and got in line. Thomas and the cashier talked about what a good deal he found. Thomas called his friends to share the shorts deal. 
Output (English): He saw a sign that said all shorts were 50% off.