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:     Dodge Automobiles , may I help you ?  
 Person2:  Is this Susan ?  
 Person1:      No , I'm the operator .  
 Person2:  Oh well , do you know if the Susan Li is available ?  
 Person1:      One moment and I'll check . 

1