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 like the Harry potter books and movies ?
Person2:Not really !
Person1: Why not ? They are very fun and exiting .
Person2:Maybe , but I think they are just for kids .
Person1: No , that ' s not true . Many adults like the Harry potter books too .
Person2:Maybe they don ' t agree with my taste .

Answer: formal

Question: Person1: What is the correct time , please ?
Person2:It ' s exactly twelve minutes past seven .
Person1: When will you lecture begin ?
Person2:Begin at 9 o ' clock sharp .

Answer: formal

Question: Person1: There are something wrong with my computer .
Person2:Really , what's wrong with it ?
Person1: The computer doesn't work when I push the power cotton .
Person2:Oh , do you use your computer often ?
Person1: Yes , I don't know why it doesn't work this time .
Person2:Don't worry . Have you got receipt with you ?
Person1: Yeah !
Person2:We'll go to your house and repair it on Tuesday . Ok ?
Person1: OK , I'll expected you around 2 o'clock ?
Person2:See you then .

Answer:
formal