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: Hello there ! Come on in ! Don ' t just stand there ! Come and take a seat !
Person2:Um , okay . Well , I just want a trim . Nothing too fancy .
Person1: Oh my gosh ! Your hair is amazing ! So silky , so shiny ! I am going to work my magic on your hair ! You hear me ? You are going to look like a million bucks !
Person2:Okay . Um ... can you make sure my sideburns are even and you just take a little off the top .
Person1: Don ' t you worry , I ' ll take care of everything ! Oh my god ! I just love your curly hair ! It ' s so fluffy and cute ! You should totally let it grow out . An afro would look great on you !
Person2:Um ... no .
Person1: Okay , but you are going to be my masterpiece !

Answer: informal

Question: Person1: Mom ! How can I help with the washing up ?
Person2:You peel the onions and wash them , then chop them .
Person1: OK ! Then what can I do after I finish it ?
Person2:Let me see . Wash the cabbage over there .
Person1: OK , got it .
Person2:What is your father doing now ?
Person1: Reading newspaper on the couch .
Person2:How about Daniel ?
Person1: Staying with Ultraman , of course . You know he likes it very much .
Person2:Be careful of the peeler . Don't cut your fingers .
Person1: I will .
Person2:OK , we've finished . Can you get your father and brother ?
Person1: OK !

Answer: informal

Question: Person1: Do you like playing table tennis ?
Person2:Certainly .
Person1: When did you start it ?
Person2:Several years ago .

Answer:
formal