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: Are you sure that this bus will take us to Santa Anita mall ?
Person2:Yes , it will .
Person1: You know that for a fact ?
Person2:Yeah , I take this bus all the time .
Person1: Is it a very long bus ride ?
Person2:It's about thirty minutes long .
Person1: Do you know where we get off at ?
Person2:There's a bus stop right behind Macy's .
Person1: Really , there's a bus stop right by the mall ?
Person2:There's a bus stop in the mall parking lot .
Person1: That's convenient .
Person2:Absolutely .

Answer: informal

Question: 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 !

Answer: informal

Question: Person1: I need to find somewhere to park .
Person2:Off campus or on campus ?
Person1: I need to find a space on campus .
Person2:Why don't you park in the parking structure for students ?
Person1: Where is the parking structure at ?
Person2:It's on the west side of the campus .
Person1: Do you know if the parking structure is full or not ?
Person2:It was empty last time I went up there .
Person1: How long ago was that ?
Person2:I went up there early this morning .
Person1: Do you think it'll be full now ?
Person2:It might be . You'll have to go see for yourself .

Answer:
formal