Sentence 1: Jeff hated going to his dentist. 
 Sentence 3: This dentist was much nicer than the old one 
 Sentence 4:  When the appointment was over, the dentist gave Jeff a lollipop 
 Sentence 5:  Jeff decided that going to the dentist wasn't so bad 
 Given Sentence 2: This time, though, there was a new dentist in the office.