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'.

Input: Consider Input: Person1: Will you help me take these things to the car ?
Person2:OK , which car do you want me to put them in ?
Person1: Bring them to my wife's car .
Person2:Which one is hers ?
Person1: The blue SUV in front of the Honda .
Person2:What should I take first ?
Person1: That chair over there , but please be careful with it . It was a gift from my mother-in-law .
Person2:Don't worry , I won't drop it . Wow , it's really heavy . I don't think I can move it by myself .
Person1: Let me help you with that . I don't want you to hurt your back .
Person2:Where are you taking all this stuff ?
Person1: Didn't I tell you ? We're moving to Florida ?
Person2:You're moving now ? I knew you were moving , but I thought you said you were moving next month .
Person1: Yes , that's true , but my wife found a new apartment on the Internet the other day and she wants to move right away .

Output: informal

Input: Consider Input: Person1: Hi ! Ed , what's up ?
Person2:Nothing .
Person1: Doesn't look like it to me .
Person2:Just get out of my face !
Person1: Woo , easy .
Person2:Leave me alone !
Person1: What are you so ticked off about ?
Person2:I don't want to talk about it .
Person1: Maybe I can help .
Person2:I blew the finally exam .
Person1: You've got to be joking .
Person2:No , I'm not .
Person1: Well , don't get bend on a ship about it .

Output: informal

Input: Consider Input: Person1: What's wrong , Dave ? You look down today .
Person2:I didn't pass the English exam . How to learn English well ? Can you give me some suggestions ?
Person1: Well , English is a " paper tiger " . Its natural enemy is adequate practice .
Person2:I have done a lot of reading comprehension exercises , and I also spend much time in memorizing English words .
Person1: I suggest you read English texts aloud every day , and try to speak more . That will be beneficial to cultivate your sense of the language .
Person2:Really ? I'll have a try . Maybe I will get high marks next time .
Output: informal