You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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'.

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 !
Solution: informal
Why? 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

New input: Person1: Can I borrow your Cds for our school dance ?
Person2:Oh , you don't ask much , do you ?
Person1: I promise I will personally guard every single one and they will come back in perfect condition .
Person2:I'll tell you what . Your class can rent them from me for the night and buy back any damaged ones .
Person1: That sounds fair . That's still cheaper than paying a band to come play for us .
Person2:Not as fun though . A live band is way more exciting !
Person1: Our class doesn't have enough money . We already checked into it .
Person2:Let me know with your next dance . I know a band that may give you a break for the publicity .
Solution:
formal