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:     Hi . You enjoying the party ?  
 Person2:  Yes , actually . I don't really know anyone , but it's a nice place . Are you having a good time ?  
 Person1:      Yes . The drinks are very good ! I'm Paul , by the way .  
 Person2:  Hello Paul . I'm Jane . So what do you do ?  
 Person1:      I'm in finance . You ?  
 Person2:  Really ? Me , too . I work for an accountancy company , T & D . Maybe you've heard of them .  
 Person1:      T & D ? Oh , yes , sure . How long have you worked there ?  
 Person2:  About two years . And you ? Are you based here ?  
 Person1:      No . Actually , I'm based in Shanghai . I'm just here for the conference . So , T & D eh ... 

1