Definition: 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'.
Input:  Person1:       In my country , we go to school from 8 o'clock in the morning until five in the afternoon .  
 Person2:Five days a week , too ?  
 Person1:        Actually , five and a half . On Saturday , we have classes only in the morning .  
 Person2:Gosh !  
 Person1:        That's too much for us really .  
 Person2:Where are you going now ?  
 Person1:        I'm going to try to find out where the school is located .  
 Person2:When do you start school ?  
 Person1:        I'm going to register right now .  
 Person2:That's good . 

informal