Task: Story Composition
Input (English): Premise: Fred was starving when his dad handed him a sandwich. 
 Initial Context: He had been playing on the beach all morning. 
 Original Ending: Just as he was about to take a bite it disappeared. A seagull had grabbed it right out of his hand. His dad shared his sandwich with him. 
 Counterfactual Context: He had been sleeping on the beach all morning.
Output (English): Just as he was about to take a bite it disappeared into a seagull's mouth. A seagull had grabbed it right out of his hand. His dad shared his sandwich with him.