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:     Excuse me , where can I find a guide ?  
 Person2:  You can find one at the ticket office .  
 Person1:      Thanks a lot . Have a nice day .  
 Person2:  You are welcome . 

1