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:     How nice these sunglasses are ! 
 Person2:  Yes , they are the latest designs . Would you like to try them on ? 
 Person1:      I want to try on this pair . 
 Person2:  The round shape pair ? 
 Person1:      That's right . 
 Person2:  I think it suits you well . 
 Person1:      I agree , how much ? 
 Person2:  120 yuan . 
 Person1:      It's not expensive . OK . I'll take them . 

0