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: OK , Hello !
Person2:Hello !
Person1: Hi , what's your name ?
Person2:Yeah , my name is Nandu .
Person1: Nandu . Nandu , how do you spell you name ?
Person2:Yeah , my name is like N-A-N-J-U .
Person1: Oh , OK . That's a nice name , Nandu . And where are you from ?
Person2:I'm from Madras .

A: formal
****
Q: Person1: Hi , I have a doctor ' s appointment scheduled with Dr . Smith , and I need to change it .
Person2:What day did you have it scheduled for ?
Person1: My appointment was on Tuesday .
Person2:What time was it scheduled for ?
Person1: It was for two o ' clock in the afternoon .
Person2:I see your appointment . What day would you like to switch to ?
Person1: I would like to switch it to next Friday .
Person2:What time would you like ?
Person1: I would like to come in at 10
Person2:Fine , I will pencil that in right now . We will see you then .

A: formal
****
Q: Person1: When do children start school in your country ?
Person2:Normally at six . Before that , they spend several years in the kindergarten or pre-school education center .
Person1: But thats only in the cities , isnt it ?
Person2:Right . In the countryside , things are more complicated .
Person1: Can kids in the countryside get equally good benefits and education like those in the cities ?
Person2:It depends . In some poor , underdeveloped areas , children's education is a problem . Many kids cannot afford to go to school .

A:
formal
****