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: What's taking you so long ?
Person2:Don't worry . I'm almost finished .
Person1: I need you to hurry up .
Person2:All right . I'm finished .
Person1: I think there's more you need to do .
Person2:What do you mean by that ?
Person1: My hair looks awful .
Person2:What don't you like about it ?
Person1: I just don't like my hair .
Person2:I'm sorry that you don't like it .
Person1: I won't be paying you for this .
Person2:I'm sure we can work something out .

Answer: informal

Question: Person1: Will they send me a form telling me that I have been granted unemployment ?
Person2:A Notice of Unemployment Insurance Award letter will be sent to you .
Person1: What information will be in that letter ?
Person2:The Award Letter will inform you as to how much you will receive .
Person1: What other forms will I need to turn in ?
Person2:Every two weeks you will receive a Continued Claim Form that you must turn in .
Person1: What will they be asking me on that form ?
Person2:You must show that you were available and that you looked for work .
Person1: What else will they ask me ?
Person2:One of the questions they ask you is if you were well enough to work .

Answer: formal

Question: Person1: I really have a good time here.Thank you very much .
Person2:Keep in touch !
Person1: I promise .

Answer:
informal