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:     Mm ... How do I get this ticket machine to work ?  
 Person2:  Well first put your money in .  
 Person1:      Ok , I ’ Ve done that .  
 Person2:  Then just press this button .  
 Person1:      Oh it ’ s printed the ticket already . Thank you very much .  
 Person2:  You ’ re welcome . 

1