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'.

[EX Q]: Person1: Isabelle , you know I'm not interested in fame .
Person2:Well , you don't seem to be interested in getting a real job , either .
Person1: You know I'm interested in teaching . I'm looking for jazz students ...
Person2:Yeah , and every high school student in town is banging on your door , right ?
Person1: I know they're out there . I'll find them .
Person2:You're such a dreamer ! You think that you can spread the word of jazz in an underpass ?
[EX A]: formal

[EX Q]: Person1: Is there a vacant table for two now ?
Person2:Yes , sir , let me show you the table . This way please .
Person1: Well , we would like to sit over there . Is that all right ?
Person2:Of course .
[EX A]: formal

[EX Q]: Person1: Excuse me , is this the office of the Textile Corporation ?
Person2:Yes , What can I do for you ?
Person1: I'm from CTC Trade Company . Here is my card .
Person2:Welcome to our corporation . I'm in charge of the export business .
Person1: I'm glad to meet you here . You're Ms . ...
Person2:I'm In Hui . Do sit down , won't you ?
Person1: Thank you , Ms . In . I'm here to discuss the possibility of establishing business relations with your corporation .
Person2:We'd be very glad to do so . Have you seen the exhibits displayed in the hall ?
Person1: Yes , I had a look around yesterday . I wish I could have them all . Can you give me a price list with specifications ?
Person2:Yes , of course . If you make an inquiry , we can make you a firm offer .
Person1: Thank you very much .
[EX A]:
formal