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:       Is this the A housing office ?  
 Person2:Yes , it is . Are you looking for housing for this semester ?  
 Person1:        I was hoping to get into something on campus , but my friend told me that everything is full .  
 Person2:It is , but I can put you on a waiting list , if you would like .  
 Person1:        Please . And in the mean time , can I look at apartments available in the area from this office ?  
 Person2:Yes , here is a catalog that is put out every year with locations that meet campus requirements for As .  
 Person1:        Who do I talk to if I want I to see some of them ?  
 Person2:The individual landlord's numbers are next to each entry . You can call them with any questions you may have . 

formal