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:     Happy birthday ! This is for you , Kate .  
 Person2:  Thanks , Miss . Wang .  
 Person1:      You know in China we usually don't open presents until the guests leave .  
 Person2:  Really ? I've already opened it . Great ! And it is exactly after my fancy . Thank you very much . 

0