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: 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 !

SOLUTION: informal

PROBLEM: Person1: What can I do for you , Ma'am ?
Person2:I want to buy a cell phone for my daughter .
Person1: How old is she ?
Person2:She is 17 . It's for her birthday .
Person1: We have a new-fashioned cell phone especially designed for young girls . The brand name is Nokia .
Person2:Thanks , but I want to have a look at the Motorola's products .
Person1: Sure . This is the one I will not hesitate to recommend . Its color and style is so attractive and also the quality is really reliable .
Person2:Sounds perfect . I'll take the pink one . Can you pack it for me ?
Person1: Sure . By the way , here are some free adornments . Would you like one ?
Person2:Why not ? The Sweetheart pendant matches the cell phone well . I'd take this one .
Person1: Have a seat over there . I'll pack it up for you right away .
Person2:Thanks .

SOLUTION: informal

PROBLEM: Person1: Hello , this is Lin Tao . I am calling to inquire about my interview result last week .
Person2:Hi , I am sorry to say that your experience doesn't fit the job at all .
Person1: Sorry to hear that , but could you inform me why I failed ?
Person2:I have to say your education and experience are very outstanding , but it seems that you are not good at working in a team which we attach great importance to .

SOLUTION:
formal