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: Have you run into your cousin Jimmy lately ?
Person2:As a matter of fact , I have . I ran into him just the other day .
Person1: How's he doing ?
Person2:Not too well . He had to have four teeth pulled last week .
Person1: He did ? That's too bad !
Person2:I think so , too .
Person1: Next time you see him , please tell him I'm thinking of him .
Person2:I'll be sure to do that .
answer:
informal

question:
Person1: Hi , Bob , this is Mary .
Person2:Hello , Mary , where do you work ?
Person1: I work for an Internet company .
Person2:Is the pay good ?
answer:
formal

question:
Person1: Let me get last week's notes .
Person2:Yeah , sure , you didn't come to class that day ?
Person1: I couldn't come .
Person2:Why not ?
Person1: I wasn't feeling well .
Person2:Here they are .
Person1: Thanks a lot ; are these all the notes ?
Person2:Oh , no , this is the rest .
Person1: Thank you very much .
Person2:It's no problem at all .
answer:
informal