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:       You are quite busy every day . 
 Person2:Yes . Work starts at eight and I arrive home after six . 
 Person1:        So you have to work all day . 
 Person2:I can take a break at lunch time , but it is only 30 minutes . 
 Person1:        I see you sometimes work on weekends , too . 
 Person2:Yes , I really don't like it . 

informal