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:     Please show me that hat , please .  
 Person2:  This one ?  
 Person1:      No , the one next to it .  
 Person2:  The mirror is behind you , sir .  
 Person1:      Is this a furry hat ?  
 Person2:  No , sir . It's a genuine bonnet .  
 Person1:      Are you sure ?  
 Person2:  Yes , sir . 

0