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: Excuse me , sir .
Person2:What's the matter ?
Person1: I heard that we will call at some ports on the way . Is that true ?
Person2:Yes .
Person1: Where will we call at ?
Person2:Dalian .
Person1: Dalian is my hometown .
Person2:Really ?
Person1: Can I get off the ship and walk around ?
Person2:Sorry . I'm afraid you couldn't .
answer:
informal

question:
Person1: Hi , may I speak to Ryan , please ?
Person2:This is Ryan you are speaking with . What can I do for you ?
Person1: Hi , Ryan , this is Malia , and I will not be coming to work today .
Person2:What is wrong with you ?
Person1: I have really bad poison oak and can ' t stop itching .
Person2:How long have you had it ?
Person1: I ' Ve had it a few days , but the rash really got bad last night .
Person2:How have you been treating it ?
Person1: I have some lotion that the doctor gave me , as well as an antihistamine .
Person2:That should work . I ' ll see you tomorrow when you return to work .
answer:
formal

question:
Person1: Hi , I ' m Mary Smith .
Person2:Hello , I ' m the landlord . John Taylor .
Person1: Nice to meet you Mr . Taylor .
Person2:Please , call me John .
Person1: O . K . , John . Well , can I have a look at the place ?
Person2:Sure . Come on it . We just finished rebuilding everything .
Person1: Oh , it hasn ' t been painted yet .
Person2:No , we ' re going to get that done next week .
Person1: Well . It ' s certainly nice . You ' Ve done a great job .
Person2:Thank you .
Person1: The rent is $ 600 a month ?
Person2:That ' s right .
Person1: Well , I think I ' ll take it . Can I write you a check for the security deposit now ? $ 1200 ?
Person2:Yeah . But why don ' t you come by your office tomorrow to sign the lease ?
Person1: That would be fine .
Person2:Thank you . See you tomorrow .
Person1: See you .
answer:
informal