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'.

Input: Consider Input: Person1: I'd like to meet you again sometime .
Person2:That would be great . Actually , can I get your phone number , Ella ? That's assuming you don't mind if I call you sometime .
Person1: Anytime . You can reach me at 5558929 .
Person2:Ok , got it . I will call you sometime next week .
Person1: Fine .
Person2:It's time to go . Bye , Ella . Hope to see you soon .
Person1: Bye , Jason .

Output: informal

Input: Consider Input: 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 !

Output: informal

Input: Consider Input: Person1: What can I do for you ?
Person2:I was looking for a book , but I couldn ' t find it .
Person1: Did you check our database to see if it was on the shelf ?
Person2:I already did .
Person1: Is it on the shelf ?
Person2:I didn ' t see it .
Person1: Apparently somebody took that book out of the library .
Person2:Will you ever get another copy ?
Person1: We will definitely be getting another .
Person2:Could you please reserve it for me ?
Person1: That won ' t be a problem .
Person2:Thanks . I really appreciate that .
Output: informal