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:     Then , Mary . We need 10 more loose-leaf binders , five pounds of heavy duty white paper , and what else did I say ?  
 Person2:  Two boxes of transparencies for the over-head machines .  
 Person1:      Right . And I ’ d like one of those new electric pencil sharpeners .  
 Person2:  All right , Mr . Jones . Do you think we ’ ll need anything else ? 

1