Given the task definition, example input & output, solve the new input case.
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 !
Output: informal
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 case for you: Person1: I see that there are Olympic mascots in your car .
Person2:Yes . I am very interested in the Olympic Games , and I'm especially excited about 2008 Beijing Olympics .
Person1: Me , too . I want to be a volunteer for 2008 Beijing Olympics .
Person2:That's cool . Care for a little quiz on that ?
Person1: No problem . I'm an ' Olympic expert ' .
Person2:Wow , you've talked the talk . Now it's time to walk the walk . Here we go . First , can you tell me something about the ancient Olympics ?
Person1: The ancient Olympics originated in ancient Greece .
Person2:Good . Why do people name it Olympics ?
Person1: They name it after the place where it was first held .
Person2:Who started the modern Olympics ?
Person1: This question is a piece of cake . A Frenchman named Baron de Coubertin .
Person2:What did people call him ?
Person1: Of course he was called ' the father of the Olympics ' .
Person2:What did he do for restoring the Olympics ?
Person1: He once made a speech on the ' Renaissance of the Olympics ' .
Person2:Well , that's for all . Excellent !
Person1: I've told you I'm an expert .
Output:
informal