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'.

[Q]: Person1: We're leaving now .
Person2:Here's your bill .
Person1: Right . And would you please forward our mail to this address ?
Person2:Certainly .
Person1: Thank you . Goodbye .
Person2:Goodbye . Hope to see you again .
[A]: informal

[Q]: Person1: How much do you expect to earn ?
Person2:I think salary is closely related to the responsibilities of the job . Shall we discuss my responsibilities with your company first ?
Person1: If you are hired , you are in charge of the design of toys that can meet the needs of the American market .
Person2:I know it is a crucial position , but I can do it well . So I'm asking for 200,000 Yuan a year as a starting salary .
Person1: Ok .
[A]: formal

[Q]: Person1: Have you bought War Craft 2 yet ?
Person2:Yeah ! I bought it the day it was released .
Person1: How do you like it ?
Person2:It's a great game . There are a lot of new characters .
Person1: Did it cost very much
Person2:It cost about thirty . Most games cost about that much .
Person1: Mechwarrior is such a good game . The graphics are awesome !
Person2:Oh , I know what you mean . I'm addicted to that game .
Person1: My roommate always wants to play it . But I told her to buy her own game .
Person2:Yeah , my roommate likes to watch me play . He says it's like watching a movie .
Person1: I've never seen such good graphics .
Person2:And I've never heard such good sound in a game .
[A]:
informal