Sentence 1: Some guy is giving one of the girls a hard time at the bar. 
 Sentence 3: The guy challenges Dan to a fight outside and he accepts 
 Sentence 4:  Dan's friend tells him that the guy is a pro boxer 
 Sentence 5:  When the guy leaves out the front Dan runs out the back 
 Option 1: Dan decides not to get involved because he is a pacifist. 
 Option 2: So Dan stands up to him.