Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. You are required to assign a label 'formal' if there is an absence of emotion and a presence of questions anywhere within the conversation. If such pattern is not found assign the label 'informal'.
Input:  Person1:       Don't you feel a little strange taking the place of your old boss after he was demoted ?  
 Person2:Yes , at first I felt very awkward . After Bill was demoted and then resigned , it was kind of like somebody died ! I mean the atmosphere in the office was like a funeral parlor or something . And then I was afraid people would look at me as a traitor for filling in his spot when the management asked me to ...  
 Person1:        Did they mutiny ?  
 Person2:Thankful , no . I guess everyone understands the opportunity I had to step into a leadership role is so great for my career . I'm really moving up the ladder now that I'm considered a supervisor . After a couple weeks , it was like nothing happened .  
 Person1:        It is a really good chance for you to get more exposure at work . supervisors get to take the credit for all the hard work of the people under them .  
 Person2:Yeah , and they also take the blame , that's what happened to my old boss ... 

formal