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:     Good coming . room service.What can I do for you ?  
 Person2:  I'd like a hamburger and a cup of coffee.My room number is 402 .  
 Person1:      OK.sir . We will bring it to you as soon as possible .  
 Person2:  Thank you . 

1