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:     Hi , John . What brings you to town ?  
 Person2:  Hi , Mary . Lily wanted me to buy her some things for the party .  
 Person1:      What do you think of the traffic today ?  
 Person2:  It ’ s pretty bad .  
 Person1:      Yeah . You can say that again . It ’ s noisy too .  
 Person2:  I am glad I did not drive a car . 

1