TASK DEFINITION: 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'.
PROBLEM: Person1: Tony looks very handsome in the suit .
Person2:He prefers suits to jackets .
Person1: Judge from his look , he's a very serious person .
Person2:As a matter of fact , he is .

SOLUTION: informal

PROBLEM: 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 !

SOLUTION: informal

PROBLEM: Person1: Mary , today a man from an intermediary gave me a call .
Person2:What did he say ?
Person1: He said he saw my job-seeking information on the Internet , and could offer me an appropriate job .
Person2:What kind of intermediary is it ?
Person1: It's a recruiting agency which specializes in introducing talented people to companies and businesses .
Person2:What job did he recommend to you ?
Person1: It's on telemarketing .
Person2:Does he ask you to pay some fees ?
Person1: No , he said the employers will pay for it .
Person2:Then what do you think about it ?
Person1: I feel it is OK and I want to give it a try .
Person2:Sure , but you must verify that first and don't easily make a promise .
Person1: Of course , I will .
Person2:Good luck !

SOLUTION:
formal