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 can't bear you anymore . I am sick of your drinking . I am divorcing you .  
 Person2:Don't do that to me , honey . Give me a chance , please . I make a solemn promise never to drink alcohol again .  
 Person1:        How many chances should I give you ? I've given up on you !  
 Person2:Have a heart , honey . You know I am trying hard to quit drinking , don't you ? Just give me one more chance , please ! 

informal