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:     Hello . This is Doctor Bell ’ s Office . Can I help you ?  
 Person2:  Hi . This is Taylor Wright calling . I ’ Ve got an appointment with Doctor Bell at 9.00 tomorrow morning . I ’ Ve got to cancel this appointment . My father-in-law passed away suddenly last night .  
 Person1:      I ’ m sorry to hear that . Cancelling the appointment is no problem . Thank you for your call .  
 Person2:  Thanks a lot . Good bye . 

1