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:     I want to change rooms . In fact , I want a refund for tonight !  
 Person2:  And the problem is , sir ?  
 Person1:      Cockroaches have taken over my room !  
 Person2:  My apologies , sir . We'll give you a new room and refund the value of your current room .  
 Person1:      Thank you . I want to continue to be able to recommend this hotel to others .  
 Person2:  We always try to serve our guests in the most agreeable way possible . 

0