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: Do you think that climate change is responsible for the recent floods ?
Person2:It could be . There are floods in this country almost every year , but in recent years they have been more widespread and more frequent .
Person1: It seems that the climate in this country is changing .
Person2:The summers are hotter . The last three summers have been the hottest for the past 200 years . There have also been stronger winds .
Person1: I think that the changing climate is a sign that we are causing too much damage to the environment .
Person2:I think you ' re right . Climate change naturally over time , but I think that human activities are speeding up the change . I wish that government would join together and try to resolve the problem .
Person1: Me too . If we don ' t do something soon , It might be too late .

Answer: formal

Question: Person1: Welcome , sir , what can I do for you ?
Person2:I want to buy some records .
Person1: Whose record do you want ?
Person2:Are there the records of Michael Jackson ?
Person1: His records have been sold out . The new copies will be available next week .
Person2:Oh . it's too late . Maybe I should go to other video stores to have a look .

Answer: formal

Question: Person1: Hi honey ! You ' ll never guess what ! My friends Julie and Alex are getting married !
Person2:Wow that ' s great news ! They ' re a great couple !
Person1: I know ! Anyways I just talked to Alex ' s best man and he is organizing the bachelor party It ' s gonna be so much fun ! All the groomsmen are thinking up all the wacky and crazy things we are going to do that night .
Person2:You aren ' t going to a strip club , are you ? I don ' t want you getting a lap dance from some stripper with the excuse that it ' s your friends party .
Person1: Aw come on ! It ' s just some innocent fun ! You know how these things are ! We are gonna play drinking games , get him some gag gifts and just have a good time . Nothing too over the top .
Person2:Well , I don ' t know .
Person1: Come on ! If one of your friends was getting married I wouldn ' t mind you going to her bachelorette party !
Person2:Good , because my friend Wendy is getting married and I ' m organizing her party !

Answer:
informal