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:       You seem to be very hesitant about doing things .  
 Person2:I don't know why I cannot take a step forward .  
 Person1:        You are meeting trouble halfway , I guess .  
 Person2:Many things are troubling me . I don't know whether I should come and go .  
 Person1:        That's where the shoe pinches . 

informal