Task: Story Composition
Input (English): Premise: Cassie's shirts all fit her strangely. 
 Initial Context: Then her mom suggested that Cassie's bra might be the wrong size. 
 Original Ending: Cassie went to the mall to have herself sized. Sure enough, the sizer told her she had been wearing her bras too big! Cassie switched bras, and her shirts began to fit her just fine. 
 Counterfactual Context: Then her mom suggested that Cassie's bra might be the right size.
Output (English): Cassie went to the mall to have herself sized. Sure enough, the sizer told her she had been wearing her bras too big! Cassie switched bras, and her shirts began to fit her just fine.