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'.
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Question: Person1: what are you doing ?
Person2:I'm just trying to complete today's crossword puzzle . Whenever I get the time , I like to do the crossword puzzles in the paper .
Person1: you really like brains that make you think , don't you ?
Person2:I guess you could say that . What kind of games do you like ?
Person1: I guess the games I like the most are the ones that I'm good at !
Person2:Doesn't everyone ? Which games are those ?
Person1: Well , I like to play darts . Whenever I go to a bar , I usually play for a few hours .
Person2:Did you play a lot of games when you were little ?
Person1: My parents used to love to play checkers and dominoes . We used to have family tournaments every weekend .
Person2:Do you still like playing those games ?
Person1: Not at all . I never really did , to be honest . What about you ? Did your family used to play games together ?
Person2:Everyone in my family really enjoys playing card games .
Person1: Some of my friends play cards on the internet . Have you ever tried that ?
Person2:No , I prefer to play with people I know .
Person1: How about mah-jong ?
Person2:It's a popular game with some people , but I've never played it .
Person1: I thought everyone in your country were experts at mah-jong !
Person2:I hate to disappoint you , but unlike what most people think , we aren't all exactly the same !

Answer: formal

Question: Person1: Hey , Taxi . Over here !
Person2:Did you call for a car service
Person1: Yes , are you engaged
Person2:Not at the moment . Where would you like me to take you
Person1: I am going to the airport , and I have to catch the 930 flight to New York .
Person2:Well , it's a long way and there is roadwork near Broadway . I am not sure I can snake it in half an hour .
Person1: But I can't miss the flight . It's an important meeting and it ' s waiting for me .
Person2:All right , I will try my best . If there aren ' t any holdups , I think we can get there in time .
Person1: That's great . How much is it to the airport
Person2:About $ 25 , tips not included .
Person1: Fine . Will you please help me with the luggage
Person2:Oh , yes , sure . Let me put it in the boot .
Person1: Thanks very much .
Person2:Not at all . Bang the door , please .
Person1: Ok , let's hurry .
Person2:You are in luck . The traffic is not heavy today .

Answer: informal

Question: Person1: Do you offer a course in business management ?
Person2:Yes , we do .
Person1: How many nights a week is it ?
Person2:It's 3 nights a week , Monday , Tuesday and Thursday .
Person1: And how long does the course last ?
Person2:It lasts for 9 months .
Person1: When does it start ?
Person2:The next beginning class starts on October 25th .
Person1: What time is the class ?
Person2:From 7 to 9 o'clock .
Person1: How much does it cost ?
Person2:It costs 125 dollars a month .
Person1: Yes , that's all right . I want to enroll in the course .
Person2:Thank you , please fill out this form for us .
Person1: Do you want me to fill it out now ?
Person2:Yes , please . We need a record of you education and your work experiences .

Answer:
formal