Task: Story Composition
Input (English): Premise: Sasha was in the car with her mom. 
 Initial Context: She didn't know where they were going. 
 Original Ending: Soon, they arrived at the airport. Sasha spotted her dad on the curb. Her parents had surprised her with picking him up. 
 New ending: Soon, they arrived at the airport. Sasha spotted her dad on the curb. Sasha had surprised him with picking him up. 
Output (English): She knew where they were going to pick up her dad.