Sentence 1: Neil was cleaning out his freezer. 
 Sentence 3: Neil couldn't remember what the food was 
 Sentence 4:  He threw the item away 
 Sentence 5:  Neil was more careful to mark all items that he stored 
 Option 1: He saw a bag of food in the freezer that was marked. 
 Option 2: He saw a bag of food in the freezer that was unmarked.