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:     How do you like these dishes ?  
 Person2:  Fine , they are colorful and tasty .  
 Person1:      Did you enjoy your dinner ?  
 Person2:  Yes , I did . I have never tasted anything like this .  
 Person1:      Would you like some more rice ?  
 Person2:  No , thanks . I'm full .  
 Person1:      Another piece of meat pie ?  
 Person2:  No , thanks . I'm on diet .  
 Person1:      How about the dessert ?  
 Person2:  Ice cream , please . 

1