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:       Hi.Ed , what's up ?  
 Person2:Nothing .  
 Person1:        Doesn't look like it to me .  
 Person2:Just get out of my face !  
 Person1:        Woo , easy .  
 Person2:Leave me alone !  
 Person1:        What are you so ticked off about ?  
 Person2:I don't want to talk about it .  
 Person1:        Maybe I could help .  
 Person2:I blew the finally exam .  
 Person1:        You've got be joking .  
 Person2:No , I'm not .  
 Person1:        Well , don't get bend on a ship about it . 

informal