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: I'm not comfortable about this , Sandy . I don't understand most of these games .
Person2:That's okay . I can explain a little .
Person1: I don't want to lose all my money .
Person2:Don't worry . You can't lose all your money.because you won't gamble all your money .
Person1: I guess you're right .
Person2:Of course I'm right . I already told you the rule for Las Vegas . Remember ?
Person1: Yes , I remember.You must decide how much money you will gamble before you start to play .
Person2:That's right . That's the best way to have control over yourself.You say to yourself . Tonight I will gamble fifty dollars . Only fifty dollars . No more.If you follow the rule , you can't lose more than fifty dollars .
Person1: I know it's true , Sandy . But still some people lose control.They start to gamble , and they can't stop .
Person2:But I won't let you do that . I will watch you .
Person1: Okay .
Person2:So how much do you want to gamble ?
Person1: Maybe 500 dollars .
Person2:500 dollars ! That's too much ! You just said you are afraid to lose your money.If you're afraid , why do you want to gamble 500 dollars ?
Person1: I don't want people to think I'm stingy .
Person2:That is a bad attitude to have , Karen ! If you think that way , Las Vegas will be really dangerous for you .
Solution: informal