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: I've been so stressed these days .
Person2:What's the matter ? Are you OK ?
Person1: I don't know where to go for college , and what to major in .
Person2:Don't worry . You have plenty of time to decide .
Person1: And I also want to get scholarships to help me pay for the tuition . I want to get the burden off my family .
Person2:You always worry too much about everything . Take it easy , honey . You are good enough . You can go to the ideal college .
Person1: OK , OK . I'm so sorry . By the way , for you , is it more important to make money or to enjoy your work ?
Person2:In a perfect world , I would enjoy my work if I do not have to do much , and make lots of money !
Person1: OK , honey , stop dreaming . You should face the reality .
Person2:That's only a joke . To be honest , I have to improve my English , because my English is not good enough . I still get confused about some simple grammars . Since you are quite good at it , do you have any suggestions ?
Person1: En , first you should be concentrated on what the teacher said in class . Second , I suggest you to take an additional course in some training center .
Person2:Is the training center helpful ?
Person1: I think so . Because I've taken one to improve my oral English during summer vacation .
Solution:
informal