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:       Hey , Jim . Wake up ! 
 Person2:Do I have to get up now ? 
 Person1:        You'd better get up or you'll be late . 
 Person2:What are you talking about ? The alarm hasn't even gone off yet . 
 Person1:        Yes , It has . It went off 30 minutes ago . 
 Person2:I must have slept right through it . 
 Person1:        Rise and shine , sleepyhead . 
 Person2:Just let me sleep five more minutes . 

formal