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: Can I talk to you for a moment , manager ?
Person2:Yes , of course . What is it ?
Person1: I've decided to leave .
Person2:Leave ? Why ?
Person1: I've worked here for two years . And I want to do something different .
Person2:What do you mean by something different ?
Person1: I want to live abroad and learn to speak a different language .
Person2:I'm really sorry . But I understand .
Person1: Thank you , manager .

Answer: formal

Question: Person1: Hello , Jack ! Fancy meeting you here !
Person2:Yes , it's really a surprise . How are you ?
Person1: Fine . How is Jim ?
Person2:Oh , he is all right . But busy as usual . Well , why don't we have a good chat at a bar ? It's been long time since we met each other last time .
Person1: Good idea !

Answer: informal

Question: Person1: You look pale , Paul.What ' s wrong ?
Person2:I've got a headache .
Person1: I'm sorry to hear that.Anything I can do for you ?
Person2:No , thank you . I'll take an aspirin and see how it goes .

Answer:
formal