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:       Hey Bobby . What's going on ? 
 Person2:Just taking a smoke break . 
 Person1:        I forgot my cigarette today . Do you have another one ? 
 Person2:Sure . Here you go . 
 Person1:        Thanks . 
 Person2:I didn't know you smoked . 
 Person1:        Really ? I've been smoking for over a year now . 
 Person2:Oh . You're new to smoking still . I've been smoking for 7 years . 
 Person1:        You ever tried to quit ? 
 Person2:Many times . I'm really addicted . It's harder to stop than you think . 
 Person1:        Yeah . I tried to quit last month , and I thought it was going to be easy , but it turns out that I'm still smoking . 
 Person2:I highly recommend you quit soon . The longer you smoke , the harder it becomes to quit . 
 Person1:        I think you're right . Aright . Gotta go to class . Thanks for the cigarette . I'll talk to you later . 
 Person2:No problem . I'll talk to you later . 
informal

 Person1:       I am not convinced by your explanation . Could you explain it ?  
 Person2:Sorry , I really can't do that . There's little time left for us .  
 Person1:        I can't accept your excuse . It's five o'clock .  
 Person2:Yeah . But I have an appointment with Ann .  
 Person1:        Ok , sounds good . But I think it's your trick . 
informal

 Person1:       You look run down , Brian .  
 Person2:I've been feeling under the weather recently . I caught a bad cold last week , and I still haven't got over it .  
 Person1:        Well , you wanna take a sick leave ? All you need now is a good , long rest .  
 Person2:I guess so . Even though I seem to be over the worst of it . I don't want to give the bug to anyone in the office .  
 Person1:        Good idea . 

informal

