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:     Hi , I have a doctor ’ s appointment scheduled with Dr . Smith , and I need to change it .  
 Person2:  What day did you have it scheduled for ?  
 Person1:      My appointment was on Tuesday .  
 Person2:  What time was it scheduled for ?  
 Person1:      It was for two o ’ clock in the afternoon .  
 Person2:  I see your appointment . What day would you like to switch to ?  
 Person1:      I would like to switch it to next Friday .  
 Person2:  What time would you like ?  
 Person1:      I would like to come in at 10  
 Person2:  Fine , I will pencil that in right now . We will see you then . 

0