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:     When will the ceremony begin ?  
 Person2:  The ceremony will begin at 9 0 ' clock . After the ceremony , there's a reception . By the way , do you know why they have chosen September 9th for their wedding ceremony ?  
 Person1:      No idea .  
 Person2:  As in English , Chinese also has some lucky numbers . The number 9 stands for perpetuity in Chinese . 

1