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'.

[EX Q]: Person1: Who do you think is going to get the Oscar for best actor ?
Person2:I have no idea . To be honest , I couldn't care less .
[EX A]: formal

[EX Q]: Person1: Do you think I should ask Bob to help ? Will he come ?
Person2:No problem . You know him . He ' s the kind of guy that ' s always willing to go the extra miles .
Person1: That ' s right . But I have bothered him several times .
Person2:I bet he will come .
[EX A]: formal

[EX Q]: Person1: Hello , Betty , how are you ?
Person2:Quite well , Tom.And you ?
Person1: Just fine , thank you.How ' s your father today ?
Person2:He's much better today .
Person1: I'm glad to hear that.Bye .
Person2:See you later .
[EX A]:
informal