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: 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: Are you coming or not ?
Person2:I haven't decided yet .
Person1: Well , make up your mind . We need to know .
Person2:Ok , count me in .

Answer: formal

Question: Person1: You ' re free to leave .
Person2:I ' m so excited .
Person1: What are you planning on doing now ?
Person2:I ' m going back to college .
Person1: What are you going to major in ?
Person2:I haven ' t thought about it yet .
Person1: I don ' t want to see you back here .
Person2:You won ' t see me here again .
Person1: I don ' t think this place is for you .
Person2:I know .
Person1: I wish you luck .
Person2:Thanks . I know things are going to be better .

Answer:
informal