Sentence 1: A couple was arguing in front of the coffee shop. 
 Sentence 3: I tried to get in the coffee shop but they were blocking the door 
 Sentence 4:  The man looked at me my with an angry face 
 Sentence 5:  I decided to drive to another coffee shop 
 Option 1: They reconciled later on. 
 Option 2: They indirectly announced that they were breaking up.