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:     What do you think of the test ?  
 Person2:  Rather difficult . How about you ?  
 Person1:      It wasn't too bad . Were you nervous ?  
 Person2:  Rather . I'm afraid I didn't do very well .  
 Person1:      Oh , I wouldn't worry about it .  
 Person2:  That's because you did well .  
 Person1:      No , I wouldn't worry about you .  
 Person2:  Why ?  
 Person1:      It seems to me that you always do better than you say . 

1