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:     Would you like to go to the theater with me tomorrow ?  
 Person2:  Yes , of course . Have you got the tickets ?  
 Person1:      That's coincidence , someone's just returned two tickets and I picked them .  
 Person2:  Matinee or evening ?  
 Person1:      Evening .  
 Person2:  Circle or stalls ?  
 Person1:      Stalls .  
 Person2:  Wonderful , I'll go with you . 

0