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:       It's taking you forever to do my hair .  
 Person2:Give me a minute .  
 Person1:        You should've been done already .  
 Person2:There you go .  
 Person1:        I don't think that you're done .  
 Person2:What's wrong ?  
 Person1:        My hair looks hideous .  
 Person2:What's so bad about it ?  
 Person1:        It doesn't look good at all .  
 Person2:Sorry about that .  
 Person1:        I really hope that you didn't expect me to pay you for this .  
 Person2:Well , let me talk to my manager , okay ? 

informal