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:     What can I do for you ?  
 Person2:  Can I have a look at your handworks ?  
 Person1:      All right . This way , please .  
 Person2:  You have quite a range , haven't you ?  
 Person1:      Yes , sir .  
 Person2:  They are all produced in China , aren't they ?  
 Person1:      Yes , they are all distinctive Chinese .  
 Person2:  Could you please select me one ?  
 Person1:      How do you like this one ? It's very beautiful .  
 Person2:  Oh , I like it very much . How much does it cost ?  
 Person1:      350 yuan .  
 Person2:  OK . I'll take it . 

1