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'.

[Q]: Person1: Fred , can you tell me how I can open my QQ Zone ?
Person2:Click your right key of mouse and choose QQ Zone .
Person1: Well , I have to provide some of my information , right ?
Person2:Yep ! The nick name for your zone , address , gender and so on . Some of them are privacy , so you have the right to keep secret here .
Person1: All information is filled in and now I can design my zone .
Person2:You can choose one type to make it as your background , and then find a music player and put your favorite songs into it , so your visitors can enjoy the music after entering into your zone .
Person1: Now everything is OK . I can write my blog , right ?
Person2:Certainly .
Person1: ( Half an hour , Janice begins shouting excitedly . ) What's the matter with you ?
Person2:Look ! David gives his following-comment on my first blog . He is my first visitor .
[A]: informal

[Q]: Person1: Annie , what is troubling you ? You look unhappy .
Person2:A man is pursuing me . He was my schoolmate in college , and he has been carrying a torch for me for three years .
Person1: Do you like him ?
Person2:Yes , I do like him .
Person1: Then why are you hesitating ?
Person2:You know that I have had a series of miserable relationships . Last summer , I fell in love with John . But the romance blossomed for six or seven weeks , and then wilted .
Person1: One love drives out another . You shouldn't be afraid to start a new relationship .
Person2:Maybe you are right .
[A]: informal

[Q]: Person1: Hi , do you have any tickets for the show tonight ?
Person2:Sorry , it ' s all sold out .
Person1: Well , do you have any for tomorrow ?
Person2:We have tickets for the matinee . It starts at 3p . m .
Person1: Ok . I ' ll take it .
Person2:Where would you like to sit ?
Person1: Do you have anything in the middle section ? I want a good view , but sitting too close hurts my eyes .
Person2:Certainly .
[A]:
informal