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:       this is tough to say , Jordan , but I think we should break up .  
 Person2:are you serious ?  
 Person1:        yes , I mean it .  
 Person2:but why ? Did I do anything wrong ?  
 Person1:        no , we are just too different . This isn ’ t working .  
 Person2:hey , come on . It ’ s too early to say that . We can fix things .  
 Person1:        I have thought about it for a while . I think it ’ s time to move on for both of us .  
 Person2:but I still love you .  
 Person1:        I ’ m sorry .  
 Person2:I knew this would happen some day ...  
 Person1:        then why didn ’ t you talk to me ?  
 Person2:well . It ’ s not all my fault , Anna ...  
 Person1:        I don't want to argue with you anymore . This is going to be tough , but Let ’ s try and be friends .  
 Person2:I would like that Anna , but I think I ’ ll need a little space for a bit .  
 Person1:        I think we ’ ll be better off if we are apart .  
 Person2:shall we keep Our friendship ?  
 Person1:        sure , let ’ s just be friends . 

informal