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 am going to give you an end-of-the-unit test this Friday . Please be prepared for it .  
 Person2:  Would you please tell us how to review our lessons ?  
 Person1:      Review all the lessons in this unit and see if you can understand the main idea of each lesson .  
 Person2:  Any other requirements ?  
 Person1:      Phrases and sentence patterns are also very important . You should know how to use them .  
 Person2:  Should we remember all the new words and expressions ?  
 Person1:      Certainly .  
 Person2:  Sorry , I don't quite understand some difficult points in this unit . I wonder if you could help us to solve the problems .  
 Person1:      Well . When you review your lessons , mark the places which you don't understand , then I will give you some coaching .  
 Person2:  When shall we have a coaching period ?  
 Person1:      How about tomorrow ?  
 Person2:  Ok . 

0