Task: Story Composition
Input (English): Premise: Stan always got nauseous when he rode on planes. 
 Initial Context: His job required him to fly a lot and it was really difficult. 
 Original Ending: Stan finally got a prescription for air sickness On his next flight, Stan took his medicine and he didn't get sick. Stan now volunteers to fly because he no longer gets sick. 
 New ending: Stan finally got a prescription which found to be very effective for air sickness On his next flight, Stan took his medicine and he didn't get sick. Stan now volunteers to fly because he no longer gets sick. 
Output (English): He had tried air sickness medicine, but it didn't work.