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:       I am tired of everything in my life . 
 Person2:What ? How happy you life is ! I do envy you . 
 Person1:        You don ’ t know that I have been over-protected by my mother these years . I am really about to leave the family and spread my wings . 
 Person2:Maybe you are right . 

informal