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:       Don't you ever cheat on me .  
 Person2:Why would I do that ?  
 Person1:        Because men like to cheat .  
 Person2:Some men do , but not me .  
 Person1:        I'm watching you .  
 Person2:I'm an open book . Watch me all you want .  
 Person1:        If I catch you , you'll be sorry .  
 Person2:You won't catch me , because I love you . I'm not a cheater .  
 Person1:        I will poke your eyes out .  
 Person2:I don't want any other woman .  
 Person1:        I will chop your toes off , one by one .  
 Person2:Honey , please . You're the only woman for me , forever . I swear it . 

formal