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 got a letter in the mail .  
 Person2:Give it to me .  
 Person1:        What is it ?  
 Person2:It ’ s from NYU .  
 Person1:        What does it say ?  
 Person2:I didn ’ t get accepted .  
 Person1:        You can ’ t be serious !  
 Person2:I ’ m serious .  
 Person1:        Are you all right ?  
 Person2:NYU was my first choice .  
 Person1:        I ’ m sorry that you didn ’ t get in .  
 Person2:I ’ ll just have to wait for UCLA . 

informal