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'.
Example: Person1: Hey man , you wanna buy some weed ?
Person2:Some what ?
Person 1:Weed ! You know ? Pot , Ganja , Mary Jane some chronic !
Person2: Oh , umm , no thanks .
Person1: I also have blow if you prefer to do a few lines .
Person2: No , I am ok , really .
Person1: Come on man ! I even got dope and acid ! Try some !
Person2: Do you really have all of these drugs ? Where do you get them from ?
Person1: I got my connections ! Just tell me what you want and I ' ll even give you one ounce for free .
Person2: Sounds good ! Let ' s see , I want .
Person1: Yeah ?
Person2:I want you to put your hands behind your head ! You are under arrest !
Example solution: informal
Example explanation: Based on the conversation, we can see that there is a presence of exclamation which is not present in a formal discussion. Therefore this is an informal conversation

Problem: Person1: Thank you for joining us this evening at Chez Attitude .
Person2:I am Mr . Foster , and we have a 7:00 dinner reservation tonight for four people .
Person1: Welcome , Mr . Foster , if you would have a seat in the lounge area , our hostess will be ready to seat you in just a moment .
Person2:We are going to have a drink while we are waiting . Please let the hostess know that she can find us there .
Person1: She will come and let you know when your table is prepared .
Person2:Those patio tables are new , aren't they ? Would it be possible to be seated out there ?
Person1: An outside table is available right now if you would like to be seated immediately .
Person2:We would love to sit outside . Thanks for your help !
Person1: Here is your table , and now may I take your drink order while you are considering what to have for dinner ?
Person2:Yes , could you please bring us a pitcher of margaritas and four glasses while we are figuring out our dinner order ?
Person1: I'll put your drink order in and be right back to get your dinner order .
Person2:We'll be ready to order by the time you get back !
Solution: informal