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: Hi , Mikel . What's with you ? You look angry .
Person2:No , I just check my weight , I'm getting fatter .
Person1: True , you are getting a really pot belly , aren't you ?
Person2:I'll get you for that comments , George .
Person1: Just kidding , Mikel . Why don't you come work out with me ?
Person2:ah , I don't know a fit works . Last time , all I saw the gym were bunch of lidos , like me .
Person1: It works if you keep at it . Come on , let's go !
Person2:All right . But so help me it's a better work .
Person1: This feels great . I'm all reed up . I can keep going all night .
Person2:Not me . I'm too hot and I'm too tired .
Person1: Exercise has no benefit unless you sweat like a pig .
Person2:Well , that's not for me .
Person1: Thanks for coming , it was a real blessed .
Person2:It wasn't as good as you think .
Person1: You'll get used to it , Mikel , trust me .

Answer: informal

Question: Person1: Good afternoon . I believe that this house is for sale .
Person2:That's right .
Person1: May I have a look at it please ?
Person2:Yes , of course . Come in .
Person1: How long have you lived here ?
Person2:I have lived here for twenty years .
Person1: Twenty years ! That's a long time .
Person2:Yes , I have been here since 1976 .
Person1: Then why do you want to sell it ?
Person2:Because I have just retired . I want to buy a small house in the country .
Person1: How much does this house cost ?
Person2:6850 pound .
Person1: That's a lot of money !
Person2:It's worth every penny of it .
Person1: Well , I like the house , but I can't decide yet . My wife must see it first .
Person2:Women always have the last word .

Answer: informal

Question: Person1: How many people are there in your family ?
Person2:Five . Besides my parents and me , there are my brother and sister .
Person1: That ' s a big family . How old is your brother ?
Person2:Eighteen .
Person1: What about your sister ?
Person2:She ' s not quite twenty-five .
Person1: Do you miss your family ?
Person2:Yes .
Person1: Do you often go home ?
Person2:No . But I often send e-mail to them . And make a call to my parents regularly .
Person1: How often do you call to them ?
Person2:Once a week .

Answer:
formal