TASK DEFINITION: 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'.
PROBLEM: Person1: Congratulations , Vivian . You won the grand prize , again .
Person2:Isn't it just great ! I just knew I'd win !
Person1: You did ? How ? Did you wear red underwear again this year ?
Person2:Not only that !
Person1: Tell me ! Tell me ! What's your secret ? !
Person2:OK , OK . I'll whisper it to you , but you have to promise not to tell anyone !
Person1: What ? ! You did that ? ? ! ! !

SOLUTION: informal

PROBLEM: 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 ? !

SOLUTION: informal

PROBLEM: Person1: Do you like jazz , Tom ?
Person2:No , I don't like it very much . Do you ?
Person1: Well , yes , I do . I'm a real fan of Wanton Marsalis .
Person2:Oh , does he play the piano ?
Person1: No , he doesn't ! ! ! He plays the trumpet . So , what kind of music do you like ?
Person2:I like rock a lot .
Person1: Who's your favorite group ?
Person2:The Cranberries . I love their music . How about you ? Do you like them ?
Person1: No , I don't . I can't stand them ! !

SOLUTION:
formal