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'.

[EX Q]:  Person1:       what do you think about this store ? I heard it ’ s a posh store that ’ s only got branches in big cities .  
 Person2:I love this store . The only problem is that it ’ s extremely expensive .  
 Person1:        don ’ t worry . I ’ Ve decided that for your birthday I ’ m going to take you shopping for a new dress .  
 Person2:really ? I thought you hated shopping ?  
 Person1:        I do , that ’ s why you should appreciate this gift !  
 Person2:sure . That ’ s really nice of you . Let ’ s go in and try some things on .  
 Person1:        how about this red dress ? I think it would really suit you .  
 Person2:that ’ s gorgeous ! Do they have it in a size 8 ?  
 Person1:        here you go.On any other day , it would cost me a fortune , but it ’ s on special offer today .  
 Person2:I think this color isn ’ t quite right for me . Do they have the same dress in white ?  
 Person1:        let me look . Let ’ s see ... they ’ Ve got one in blue , green , pink , black ... and white . Here you are .  
 Person2:this is perfect ! What do you think ?  
 Person1:        I think you look fantastic . Happy Birthday !  
 Person2:I ’ m so lucky . You only get a chance like this once in a blue moon ! Thanks honey ! 
[EX A]: informal

[EX Q]:  Person1:       Good to see you . Come on in .  
 Person2:Thank you . Here's a present for you .  
 Person1:        Oh , you shouldn't . But thank you very much . 
[EX A]: informal

[EX Q]:  Person1:       I was wondering if you could help me to get a library card .  
 Person2:Of course , just fill out this form and let me know when you are finished .  
 Person1:        I'm finished .  
 Person2:I will also need your driver's license ; hand me the filled-out form , please .  
 Person1:        OK , the form is all filled out .  
 Person2:Perfect ! Do you know the hours and rules for the library ?  
 Person1:        No , I have no idea what they are .  
 Person2:Everything you need to know is printed on the card and handout .  
 Person1:        Yes , right .  
 Person2:Great ! You are all set to enjoy the library . 
[EX A]:
informal

