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: Would you please put that cigarette out ? I get sick on it .
Person2:You do ? OK , fine with me .
Person1: Thank you SO much .
Person2:But I also want ya to do me a favor .
Person1: What ?
Person2:You gotta have some better deodorant .
Person1: I ' m sorry ? !

Answer: informal

Question: Person1: When in Rome , do as the Romans do , they say .
Person2:What do you mean ?
Person1: Roman is living in Rome , of course . And go to work by car , or bus , or on foot .
Person2:I think the Romans do what everyone else does .
Person1: Certainly .
Person2:And Roman really loves life . He knows how to enjoy himself .
Person1: Not always . But they like good meal .
Person2:Really ?
Person1: How can I go there to have a taste ?
Person2:By air of course .

Answer: informal

Question: Person1: Shall we have some soup first ?
Person2:No , thank you . I don't like soup . I'd rather have some fruit juice to start with .
Person1: Ok , and what about the main course ? Which would you rather have fish or meat ?
Person2:Meat , I think .
Person1: Don't you like fish then ?
Person2:I do , but I want meat .
Person1: Shall we have some white wine then ?
Person2:Yes , but I prefer red wine with meat .
Person1: What would you like for dessert ?
Person2:I just want to have a coffee , I think .
Person1: Fine , and after dinner , shall we go to a disco ?
Person2:No , thanks . I'd like to go straight home . I'm very tired .

Answer:
informal