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: Lisa , I'm home .
Person2:How was your day ?
Person1: Pretty good . I've made a few friends already .
Person2:Anybody I know ?
Person1: Well , Pam Franklin lives next door to us . By the way , can I go to her house this Saturday ?
Person2:Of course . You didn't have to ask me .
Person1: That's what Pam said .
Person2:Just don't stay out too late .

Answer: formal

Question: Person1: How much do you expect to earn ?
Person2:I think salary is closely related to the responsibilities of the job . Shall we discuss my responsibilities with your company first ?
Person1: If you are hired , you are in charge of the design of toys that can meet the needs of the American market .
Person2:I know it is a crucial position , but I can do it well . So I'm asking for 200,000 Yuan a year as a starting salary .
Person1: Ok .

Answer: formal

Question: Person1: They are professors and government officials .
Person2:Where are they from ?
Person1: Most of them are from America and Europe .
Person2:What are they doing in Beijing ?
Person1: They are attending an international conference here .
Person2:Which hotel are they staying at ?
Person1: They are staying at the Hilton Hotel .

Answer:
formal