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:       What part did you get in the play this time ?  
 Person2:I got a character part — some old lady who shows up in a few scenes .  
 Person1:        I wish I had a character part . Those are my favorite .  
 Person2:Are you kidding ? You got the leading role .  
 Person1:        I know , but I've done that so Ay times . It's getting old . The leading guy is always the same macho A .  
 Person2:I would trade you if I could but I don't think I'd be a very convincing macho A .  
 Person1:        Next time . You are going to love your part . I've seen the script .  
 Person2:I do a good old lady . I wouldn't mind being the damsel in distress once in a while . 

informal