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:       Have you ever made any plan for your future ?  
 Person2:Of course I have . I'd like to marry a handsome man and have two children if possible .  
 Person1:        Not me . I'd like to be a bachelor forever .  
 Person2:I don't believe you can make it when you meet your Mrs . Right . 

formal