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: It's such a nice day outside . Let ' s take a walk into town and do some window-shopping .
Person2:You know I hate shopping more than anything else in this world .
Person1: I know . But we could get some exercise in , and we could get some errands run , too . Window-shopping won ' t cost you anything .
Person2:What kind of errands do we need to run ?
Person1: Well , we could go to the newsagent's to pick up the Sunday paper , go to the butcher's to pick up a chicken for a roast dinner , and to the chemist's to pick up your prescription from the doctor .
Person2:I'll only go if we can stop at the office-license to pick up something to drink for tonight .
Person1: Fine , we'll do that on the way home , so we don ' t have to carry it the whole time .
Person2:Sounds good . You have to promise not go into any of the stores in the mall though . I know how you like to try things on in the fitting rooms , especially if the stores have special offers .
Person1: I promise . We're only going for a walk to get some exercise and to get some things done that we haven ' t had time for .
Person2:Ok , let's go then !
Person1: Do you have any money ?
Person2:For what ?
Person1: For our errands , and maybe a little extra for something from a vendor on the street .
Person2:You said you were only going to window shop !
Person1: I agreed to not go into the mall , but I can still look at things in the market !
Person2:I should have known ...
Solution:
informal