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:     Do you like the Harry potter books and movies ? 
 Person2:  Not really ! 
 Person1:      Why not ? They are very fun and exiting . 
 Person2:  Maybe , but I think they are just for kids . 
 Person1:      No , that ’ s not true . Many adults like the Harry potter books too . 
 Person2:  Maybe they don ’ t agree with my taste . 

1