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:       Are you really dating with Frank ?  
 Person2:Yeah . But in my heart of hearts , I find he ’ s not very much to my liking .  
 Person1:        Then why not keep away from him ?  
 Person2:The problem is that I just have no one to turn to right now .  
 Person1:        That ’ s stupid . 

formal