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: Please excuse me , but I really have to be going .
Person2:Yes , of course.It was nice to see you .
Person1: It was nice to see you , too.And please give my regards to Mrs.Robbins .

SOLUTION: informal

PROBLEM: Person1: Hi , Tom . You forgot to put on your sports shoes ! It's Games Day today !
Person2:Well , I have them in my bag . I'Il put them on right away !
Person1: Let me give you a hand . You are carrying so many books .
Person2:Thanks !
Person1: Have you forgotten the cheers ?
Person2:No , I haven't . I've tried hard to remember and I'm quite sure I've memorized the rhythm correctly .
Person1: That's good !

SOLUTION: informal

PROBLEM: Person1: What's up ? You look low .
Person2:It's my girlfriend . I guess she's playing the army game .
Person1: How come ?
Person2:I saw her dating with her ex-boyfriend again .
Person1: I understand that . But I think maybe it's not a date . You are taking the matter too much to heart .
Person2:Maybe . But it still gets on my nerves .

SOLUTION:
informal