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:     When will our party be held ?  
 Person2:  Next Wednesday .  
 Person1:      Have you sent out invitations by our party ?  
 Person2:  Yes , I have .  
 Person1:      When ?  
 Person2:  Ten days ago .  
 Person1:      Could Dr.Cole like to attend the party ?  
 Person2:  Yes , he will .  
 Person1:      That's fine . 

1