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'.

[EX Q]: Person1: Are you almost finished with my hair ?
Person2:I'm almost finished .
Person1: How much longer is it going to be ?
Person2:I'm done now . Do you like it ?
Person1: I absolutely love it .
Person2:You really like it ?
Person1: Yes , I truly do .
Person2:I'm glad you like it .
Person1: How much do I owe you ?
Person2:It's going to be $ 55 .
Person1: Here you go , thanks for everything .
Person2:Make sure and come back in a couple of weeks .
[EX A]: informal

[EX Q]: Person1: What can I do for you today ?
Person2:I need to return a book .
Person1: Can I do anything else for you ?
Person2:I want to check this magazine out .
Person1: We don ' t allow people to check out magazines .
Person2:Why not ?
Person1: It ' s just a policy of ours .
Person2:So what am I allowed to check out ?
Person1: You may check out books or videos .
Person2:I need to check out this magazine .
Person1: You will have to just read it in the library .
Person2:That doesn ' t make any sense .
[EX A]: informal

[EX Q]: Person1: How do you get paid ? If you don't mind my asking .
Person2:Not cash . But if our launch goes well , my stock options will pay off , big time .
Person1: And in the meantime , how do you pay the rent ?
Person2:I don't have to worry about rent . I live right here .
Person1: What ? In your cubicle ?
Person2:Right here . Me and my PC . Home sweet home .
[EX A]:
formal