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:       He has a girlfriend already .  
 Person2:You are kidding ! He just broke up with Ann .  
 Person1:        His new girlfriend is a far cry from Ann . She is like a breath of fresh air .  
 Person2:I hope I will meet her soon . 

informal