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 , Ellen ! How is it going ?  
 Person2:  Can ’ t be better ! Bob , aren ’ t you glad the semester is over ?  
 Person1:      Yep ! Are you going to the rock concert Friday night ?  
 Person2:  I didn ’ t think much of it . Are you ?  
 Person1:      Sure . Would you like go with me ?  
 Person2:  Sounds like fun .  
 Person1:      You ’ ll have to buy your own ticket though .  
 Person2:  Are you broke again ? Let me treat you .  
 Person1:      Wow ! When did you come into so much cash ?  
 Person2:  You know , I am a waitress at the student center . Anyway now those final exams are almost over . I ’ d love a night out . 

1