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:       We ’ re having a department meeting at 10 o ’ clock , ok ?  
 Person2:That ’ s fine ... I need to pick up some stationary-you know , a stapler , scissors , files , who should I see about that ?  
 Person1:        See Julie , the receptionist . She knows where all that stuff is kept . You might like a calendar for you desk . She can give you one of those too .  
 Person2:Thanks . I need to make a few photocopies .  
 Person1:        The photocopier is near my office . Come on , I ’ ll show you where it is .  
 Person2:Do you enjoy working in this office ?  
 Person1:        Yes , I do . Everyone ’ s really friendly . Sometimes , I wish I worked outdoors more , especially during the summer .  
 Person2:What ’ s usually discussed at the department meetings ?  
 Person1:        We usually tell each other where we are with various clients and potential clients . The boss assigns extra duties to people who she thinks can best deal with them . It ’ s also a chance to put forward su 

formal