Sentence 1: Bill decides that he wants to pursue a master's degree after college. 
 Sentence 3: At first Bill worries that he is making the wrong decision 
 Sentence 4:  However, when he gets to graduate school, he feels great 
 Sentence 5:  Bill is proud that he will soon have a master's degree 
 Given Sentence 2: Even if he slept his eight hours a night, he'd nap.