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: 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: Hey , Zina . You're here early today .
Person2:Yeah , I'm going to be making phone calls all day . What a blast .
Person1: I just wanted to say thanks for putting us on the map so fast . I appreciate it .
Person2:Save it , Vince . After I put my first million in the bank , I'll say you're welcome .
Person1: Fair enough.Keep up the good work .

SOLUTION: informal

PROBLEM: Person1: Mom , I'm starving .
Person2:Here are some biscuits . Why are you back so early today ?
Person1: My teacher had a sudden stomachache , so the class was cut shot . You ?
Person2:Me what ?
Person1: You are cooking at least two hours earlier than the usual .
Person2:It's not for us .
Person1: Then it's for Dad , isn't it ? It's so unfair !
Person2:Don't be a smarty-pants . It's for Grandma Wang .
Person1: What was that again ?
Person2:It's for Grandma Wang . She is sick and her only daughter went abroad weeks ago . So she needs our help .
Person1: I'm sorry , I didn't know that . But I wanna help .
Person2:Umm , let me think for a moment . We can meet her together after I finish cooking .
Person1: I'll get knee to knee with her .
Person2:Good boy . I can only imagine how happy she will be to see you .

SOLUTION:
informal