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: It's time for you to wake up .
Person2:Give me five more minutes . I'm really tired this morning .
Person1: I'm sorry , but it's time for you to get ready for school .
Person2:I get that , but let me just sleep for a little bit longer .
Person1: You're not going to get up in five minutes if I let you fall back asleep .
Person2:Believe me . I will get up and get ready in five minutes .
Person1: There's a lot that you need to do this morning .
Person2:I understand , and it will get done after I wake up in five minutes .
Person1: I would like for you to not be late for school .
Person2:I'm going to be on time today .
Person1: Go back to sleep then , but only five more minutes .
Person2:Thanks a lot .

Answer: informal

Question: Person1: Good afternoon , everyone . The experiment is to start at 3 . Have you gone through the instructions ?
Person2:Yes , sir .
Person1: Ok , now some points for attention . First of all , pay attention to safety ... Now , sign your names on the lab record , and after that you can start . If there is any question , just let me know .
Person2:Excuse me , sir . This air compressor doesn't work .
Person1: Have you turned it on ?
Person2:Yes , I have .
Person1: Ok , I will get you another one .
Person2:Thank you .

Answer: formal

Question: Person1: How many courses do you have for this semester ?
Person2:Eight altogether .
Person1: How are they proportioned ?
Person2:Six are compulsory , two optional .

Answer:
formal