instruction:
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'.
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: Hello , are you interested in this Honda ?
Person2:Hi , I am just looking .
Person1: It's a good car .
Person2:What year is it ?
Person1: 1999 .
Person2:How about the mileage ?
Person1: 6,000 miles , all highway mileage .
Person2:What do you mean 7B
Person1: Highway miles are not as bad as local miles . They do not hurt car as much .
Person2:Oh , why such a high mileage ?
Person1: The owner was commuting everyday crossing the state line .
Person2:Okay . Does this car have a warranty ?
Person1: One month .
Person2:How do I make sure I am not buying a junk ?
Person1: You'll check it out anyway you want . You can take it to a garage .
Person2:How much is it ?
Person1: $ 5,900 .
Person2:I'll have to think about it .
Person1: Leave your phone number , and I will give you a call if the price gets reduced .
Person2:Okay .
answer:
formal

question:
Person1: Good morning , sir . What can I do for you ?
Person2:I'm Jack in Room 606 . Can you change the room for me ? It's too noisy . My friend was woken up several times by the noise from upstairs . He said it was too much for him .
Person1: I'm awfully sorry , sir . I do apologize . A ten-year-old boy and a mother live upstairs . Maybe the boy is a little bit naughty .
Person2:Anyway , I'd like to change our room .
Person1: No problem , sir . We'll manage it .
answer:
formal