Detailed Instructions: 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'.
See one example below:
Problem: 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
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: Did you see the information on sales for last year ? The sales review was made at our last board meeting . There's a great news for our shareholders .
Person2:Yeah , I went over the figures this morning . We're finally started making money again !
Person1: We've never sold this much before , our growth this year has been phenomenal . We have captured 8 % of the market , up from last year by 120 % . Our strategy is working !
Person2:not only our annual sales brake a record , but our month by month earnings exceeded our forecast as well . After a two-year slump , we finally back in the black .
Person1: The company's performance has improved since Wallace became president . He's made our little business into a real lucrative operation . Products are selling like hotcakes .
Person2:I think our success is partly because of Wallace's contribution , and partly because of our new marketing strategy . Because of the new advertising campaign , we have become the top sellers in the field .
Person1: Let's hope this stroke of good luck lasts . I hope we are over our financial difficulties for good .
Person2:Let's hope it is !
Solution:
informal