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:     Now , David , can I get you a drink ? What will you have ?  
 Person2:  Coffee , please .  
 Person1:      What about you , Mary ?  
 Person2:  Coke is fine.Thank you . 

0