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:     Let me see . How much should I pay for you ?  
 Person2:  Don ’ t think about it !  
 Person1:      No , this will not do . Let me see .  
 Person2:  You pay for the taxi and dinner , then to even things up .  
 Person1:      Good ideas . 

1