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:       John has some trouble in his life . 
 Person2:I hear that his father died . 
 Person1:        Yeah . He ’ s been having an easy time since he was a boy , and now he doesn ’ t know how to face the music . 
 Person2:He is out of luck . 

informal