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:       Hello , this is Li King . Can I talk to your manager ?  
 Person2:Sorry , he has just gone out now . Can I take a message for you ?  
 Person1:        Yes . Would you please kindly tell him I want to apply for a proof-reader in your newspaper ?  
 Person2:OK , I got it . 

informal