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:     Who's that tall guy over there ?  
 Person2:  Oh , that's George . He looks very drunk .  
 Person1:      What's he like normally ?  
 Person2:  Oh , he's really reserved , normally . But , from what I hear , he's got lots of problems .  
 Person1:      Really ? What kind of problems ?  
 Person2:  Well , off the record , of course , but I hear that he's got terrible debts . He has his own company , and it's not going very well .  
 Person1:      Really ? Well , I hate to say this , but I'm not surprised .  
 Person2:  Really ? What makes you say that ?  
 Person1:      Well , he doesn't look very honest .  
 Person2:  I know , that's the problem . He can't find any customers . It's a pity , really , because his products are very good . Oh , that reminds me . Did I tell you about my new laptop ?  
 Person1:      Oh , don't talk to me about laptops . Mine crashed on Friday and I lost everything . I hate them .  
 Person2:  Oh , really ?  
 Person1:      Look , I need another drink . Do you want one ?  
 Person2:  Yes , I'll have another cocktail .  
 Person1:      Vodka martini ?  
 Person2:  Absolutely .  
 Person1:      I'll be back in a sec .  
 Person2:  OK . I'll wait here for you . 

1