Sentence 1: Rob was going to the movies. 
 Sentence 3: He decided to eat at a diner before the movies 
 Sentence 4:  Rob was full when he got to the movies 
 Sentence 5:  All he had to pay for was his ticket 
 Option 1: He didn't want to have to pay for snacks at the movie. 
 Option 2: He ordered snacks at the movie.