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:     Want to join me for a midnight snack ? I need to grab something to eat .  
 Person2:  Fine with me , but no more chafing dish .  
 Person1:      Let's go the food stall . There's a good one just around the corner .  
 Person2:  I'd love to try some snacks .  
 Person1:      ( Later ) Everything looks tempting . What do you want to have ?  
 Person2:  Kebabs and roast squid .  
 Person1:      Can I have a bite ?  
 Person2:  Help yourself .  
 Person1:      Supper ! 

1