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:     The Great Wall is a great attraction for visitors . 
 Person2:  It's a man-made wonder . I've seen it many times in textbooks and it's part of my dream to visit it . 
 Person1:      Someone claimed it was one of the two man-made wonders that could be seen on the moon . 
 Person2:  That's true . 

0