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:     Would you like to go sightseeing tomorrow ?  
 Person2:  Not a bad idea !  
 Person1:      What would you like to see in Beijing ?  
 Person2:  Well , let me see . I'd like to go to the Great Wall , the Summer Palace , the Forbidden City and the Temple of Heaven .  
 Person1:      OK . I'll pick you up here tomorrow . 

0