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:     Mr . Bellow , have you anything in mind as to what to drink or may I make a few suggestions ?  
 Person2:  I have had enough gin fizz and bloody mary . But I have no idea about Chinese cocktails .  
 Person1:      Would you prefer our cocktail — Shanghai cocktail ? It's a mixture of real Chinese ingredients .  
 Person2:  That ’ s good .  
 Person1:      ( The waiter makes the cocktail for Mr . Bellow and hands into him . ) Here is your Shanghai cocktail , Mr . Bellow .  
 Person2:  Thank you . Oh , it tastes excellent . 

1