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:       The Canada Day is on the 1st of July . 
 Person2:What is its national anthem ? 
 Person1:        The national anthem of Canada is ' O Canada ' . 
 Person2:Can you sing the song ? 
 Person1:        Yes , I could sing it when I was very young . 
[A]: formal


[Q]:  Person1:       Aren ’ t you going to swim ? 
 Person2:Are you kidding ? Don't you know I can't swim ? 
 Person1:        You are not telling me that we drove 50 miles to come here for just sunbath , are you ? 
 Person2:Hey , don't shout . Come here ! Sit closer . Now , Jim , we ’ Ve had a lovely day . Don't spoil it now . 
 Person1:        What about your beautiful bathing suit ? We shopped all day . Don't you want to show it off ? 
 Person2:Everybody who walks past me sees it . Besides , it's a good sunbathing suit . 
 Person1:        All right . Suit yourself . I am going swimming . 
 Person2:Jim ! 
 Person1:        Yes ? 
 Person2:Can you get me a beach umbrella and a deck chair ? I am really tired of lying in thousand . 
 Person1:        I've got a better idea . Why don ’ t we hire a boat and go for a ride ? What do you think ? 
 Person2:Are you serious ? That will be wonderful ! 
[A]: informal


[Q]:  Person1:       Hi . I need a wake-up call tomorrow .  
 Person2:What time would you like your wake-up call ?  
 Person1:        I need two calls , one at 7 and another at 7 fifteen .  
 Person2:That is no problem at all , of course . You'll get a call at 7 o'colock and another at 7 fifteen .  
 Person1:        Then again , I think 7 fifteen is too early . Change 7 fifteen to 7 thirty , please .  
 Person2:So , that'll be a call at 7 and another at 7 thirty.Do you have any other requests ?  
 Person1:        Not just now , but if I do think of something later , I'll give you a ring .  
 Person2:Okay , sir . Sleep well . 
[A]:
formal


