Sentence 1: A man went dancing at a night club. 
 Sentence 3: He asked a great dancer for advice 
 Sentence 4:  He learned that practicing in front of a mirror is helpful 
 Sentence 5:  He did that and saw his dance skills improve 
 Option 1: He noticed most people danced much better than him. 
 Option 2: He noticed that he danced better than most people here.