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: Hi , Yang Tang . Come in ! Pretty hot out there , isn't it ? Did you have trouble finding us ? Sit ! Sit !
Person2:Hello , Mr . Jones , its ...
Person1: Yang Tang , just call me Fred ! Everyone does .
Person2:Ei , OK , er .. Fred . Thank you for seeing me today .
Person1: No problem . No problem at all . Say , it says here in your resume you studied in California . Great place , isn ' t it ? I studied in California myself . I really enjoyed it . What did you like most about California ?
Person2:Well , I ... I guess the weather . And the people . They were all very friendly to me .
Person1: Yeah , the people are quite relaxed ... Those were some great times I spent there . Well , thanks for stopping by . Are you from King Dao , Yang Tang ?
Person2:Yes , I am . I was born here , and still live with my parents in the same house .
Person1: Is that right ? Wonderful , wonderful . I've been in King Dao for two years now . A great place . Nice people and great beer ! Well , I guess we ' d better get started .
Solution: formal