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:     Mary , would you like to get something to eat with me ?  
 Person2:  OK . When ?  
 Person1:      At 10 o'clock .  
 Person2:  10 in the morning ?  
 Person1:      No , at night .  
 Person2:  Sorry , that's too late . I usually go to bed around 10:00 PM .  
 Person1:      OK , how about 1:30 PM ?  
 Person2:  No , that's too early . I'll still be at work then .  
 Person1:      How about 5:00 PM ?  
 Person2:  That's fine .  
 Person1:      OK , see you then .  
 Person2:  Alright . Bye . 

0