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: 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