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:     Are you being served , sir ?  
 Person2:  I'd like to buy a tapestry to decorate my new room .  
 Person1:      Artistic tapestry is the highest expression form of the rug weaving art . How about these ones ?  
 Person2:  These are beautiful ! Is this the marvelous landscape in Guiling ?  
 Person1:      Yes , sir .  
 Person2:  How fine the needlework is ! What's the price ?  
 Person1:      Ninety dollars .  
 Person2:  It's too expensive .  
 Person1:      But considering the fine craftsmanship it is worth much more .  
 Person2:  You're right . Would you please show me some embroidery ? I also want to buy some embroidered tablecloths to match the tapestry .  
 Person1:      Please wait a minute , sir . 

1