Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  Person1:     hey , the new SOHO . How's everything going ?  
 Person2:  everything's great . I've just returned from my office .  
 Person1:      your office ? Aren't you a freelancer ?  
 Person2:  sure I am . I work for myself , but I've rented a virtual office at an office building in the downtown area .  
 Person1:      a virtual office ?  
 Person2:  yeah , an office that runs efficiently by using nothing other than online communication technologies . I pay the rent and share office services with others in the same building .  
 Person1:      what kind of services do they offer ?  
 Person2:  a separated office , internet access , phone services , fax services , mail & courier services , and almost everything you have in a conventional office .  
 Person1:      sounds fun.what else ?  
 Person2:  I get a business address at an expensive location , and I can share the receptionist and secretary with other offices in the same floor .  
 Person1:      oh , that helps a lot to promote your corporate image .  
 Person2:  you bet it ! 

1