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:     What's Beijing like ?  
 Person2:  It ’ s big and exciting but noisy .  
 Person1:      What can I see in Beijing ?  
 Person2:  You can see the Forbidden City .  
 Person1:      What ’ s it like ?  
 Person2:  It ’ s beautiful but crowded . 

1