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: Lisa , can I call Taiwan ?
Person2:Are you homesick ?
Person1: I miss my parents .
Person2:Don't worry about the bill . Just call .
Person1: Can you show me how to make an overseas call ?
Person2:Of course . First dial the code 011 to get an international line . Then you dial Taiwan's country code
Person1: That's 886 .
Person2:Now you should know the rest . Don't forget to dial Taipei's city code .

Answer: formal

Question: Person1: Jenny , you look terrible . What's eating you ?
Person2:Don't brother me !
Person1: Hey , Chillon , I'm just trying to help .
Person2:Sorry , Sally , it's not your fault .
Person1: So , what's the problem ?
Person2:I drew a blank on ~ about the test .
Person1: No kidding ! Didn't you study for it ?
Person2:Yeah , but nothing was clear during the test .
Person1: That's too bad , anyway , I'm sure things will turn around next master .
Person2:I'm thinking of dropping out .
Person1: You can't do that , Jenny !
Person2:I'm dead serious about this , Sally .
Person1: Come on , let's talk about it .

Answer: informal

Question: Person1: Mr . Tang , we have decided to hire you . How much do you expect to get a month ?
Person2:I'm making three thousand yuan a month at my present work . I should not , of course , make a change for less . Could you provide me with a monthly salary of four thousand yuan ?
Person1: I don ' t think we can give you that much as the starting salary .
Person2:You know , Mr . Allen , Nowadays this starting salary is not high based on my skills and experience .
Person1: Maybe , but there are many fringe benefits here .
Person2:What are they ?
Person1: Additional to medical benefits , we also offer a rent free house and the use of a car .
Person2:But I have my own car and my own house .
Person1: OK , 4000 yuan a month .
Person2:Thank you very much .
Person1: Not at all , it's reasonable .

Answer:
formal