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: When were you born may I ask ?
Person2:On 20th May 1963 .
Person1: Do you know what it was according to the lunar calendar ?
Person2:27th day of the fourth month .
Person1: By the way , could you tell me when the film will begin ?
Person2:It will begin at five thirty .
Person1: I am frigid I can't be there on time .
Person2:You can see it tomorrow .
Person1: I don't want to miss it today .
Person2:See you .
Person1: See you .

SOLUTION: formal

PROBLEM: Person1: How is your appetite today ?
Person2:I'm rather hungry now .
Person1: What would you like to have ?
Person2:Please give me a piece of pie first .
Person1: Which would you rather have , beef or chicken ?
Person2:Beef , please .
Person1: How about drinks ? Coffee or tea ?
Person2:Coffee , please .
Person1: Do you want to take milk and sugar ?
Person2:Only black coffee .

SOLUTION: formal

PROBLEM: Person1: Did it take you a long time to quit smoking ?
Person2:No . I just went cold turkey , and I never smoked again .

SOLUTION:
formal