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:       What ’ s the first thing you do when you go to the bathroom in the morning ?  
 Person2:I look at myself in the mirror . Sometimes , it ’ s not a pleasant sight , especially if I have been out late the late before .  
 Person1:        Do you usually shower or take a bath ?  
 Person2:I usually don ’ t have time for a bath in the mornings , so I just take a shower . Sometimes I need a cold shower to wake me up and sometimes I need a hot one , especially if it ’ s winter and I need to warm up .  
 Person1:        Do you shave every morning ?  
 Person2:I shave every workday , but I only shave at weekends if I ’ m going out somewhere . If I ’ m staying at home , I don ’ t shave .  
 Person1:        Do you brush your teeth twice a day as dentists recommend ?  
 Person2:Yes . I brush my teeth in the morning , just before I go to work . It ’ s actually the last thing I do before leaving . Then I brush again before bed .  
 Person1:        Your dentist must be proud of you ! 

informal