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:       It ’ s time to get up .  
 Person2:I just went to bed .  
 Person1:        You shouldn ’ t stay up so late watching TV . I told you we had to get an early start .  
 Person2:I know , but that movie was just too good to leave . I guess I ’ ll just have to pay the price anti-sleepy .  
 Person1:        Do you want to eat breakfast here ?  
 Person2:No . why don ’ t we describe and buy at the coffee shop next door ?  
 Person1:        Ok by me . 

informal