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'.

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 .
informal

Person1: My sister was taken to the hospital yesterday
Person2:What happened ?
Person1: She was hit by a car . Luckily , she wasn't seriously hurt .
Person2:Let's buy some flowers , and pay her a visit
Person1: We'll have to hurry ; visiting hours will be over soon
Person2:OK . Let's go
formal

Person1: I'm so hungry ! I haven't late eaten all day !
Person2:Take your mind off it . Look , Crys.This magazine is on China's top ten beauties !
Person1: They're all so thin ! Her cheekbones are great .
Person2:She doesn't have an ounce of fat on her face .
Person1: The mag says she's 165 centimeters tall and 38 kilos . If only we could be that thin then ...
Person2:Not even drinking milk for one month would get us like that .
Person1: Oh , bathroom blues .
Person2:Look at this girl's gray dress .
Person1: I went to try it on yesterday , but it only came in extra small .
Person2:Last time I wore extra small was when I was in fifth grade .
Person1: ( Weigh herself ) Hey , I lost a kilo in a week with my all-fruit diet . If I keep going , I can wear that dress next month .
Person2:So why are you dieting this time anyway ? Another guy ?
Person1: Dieting . It's the price we pay to make men notice us .
Person2:The girls in this magazine are so slender .
Person1: They're also way younger than us .
Person2:True.You know , I First started dieting when I was ten .
Person1: You never worked out ?
Person2:Oh , no . Too much work . I hate to sweat . It's so gross .
formal