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:     How are you doing ?  
 Person2:  Everything ’ s fine with me .  
 Person1:      What can I do for you today ?  
 Person2:  Is it possible for me to view the apartment today ?  
 Person1:      Unfortunately , you will not be able to view it today .  
 Person2:  Why can ’ t I view it today ?  
 Person1:      You ’ ll need to make an appointment to view the apartment .  
 Person2:  I understand . May I make an appointment then ?  
 Person1:      How does this Friday sound ?  
 Person2:  Friday at 6 pm . would be perfect .  
 Person1:      That will be fine .  
 Person2:  Thanks for your help . 

1