Sentence 1: Hamlet loved eating everything he could get his hands on. 
 Sentence 3: He ate away his whole parents pantry full of snacks and bread 
 Sentence 4:  He even ate the wedding cake of his brother Mer 
 Sentence 5:  Hamlet was depressed and alone, he ate all his friendships away 
 Option 1: He ate away at his roommates birthday cake. 
 Option 2: He ate away at his roommates monthly supply of food.