Sentence 1: Fred was starving when his dad handed him a sandwich. 
 Sentence 3: Just as he was about to take a bite it disappeared 
 Sentence 4:  A seagull had grabbed it right out of his hand 
 Sentence 5:  His dad shared his sandwich with him 
 Option 1: He had been playing on the beach all morning. 
 Option 2: He had been sleeping on the beach all morning.