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:     Can you show me some jade , please ?  
 Person2:  Yes , of course . Do you like a jade necklace ?  
 Person1:      No , but I do like jade bracelets .  
 Person2:  Here are all kinds of jades . Choose whatever you like , please .  
 Person1:      Thank you . ( A moment later ) Oh , this one is quite impressive . I'll take it . By the way , do you sell pearl earrings ?  
 Person2:  Yes . Natural pearls or cultured pearls ? We have both kinds .  
 Person1:      I wonder which looks more lustrous .  
 Person2:  Well , natural pearls are of higher value , but the cultured pearls have equal lustre and are just as beautiful .  
 Person1:      Oh , I see . I think I prefer a natural one . 

0