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:     Do you think my briefcase is big enough to put in all these stuff ?  
 Person2:  Let me see . Laptop , flash disk , a ballpoint pen , a pencil , a notebook , a pair of glasses , cell phone , charger , moisture , notion , ... Oh , that is too much . You are not going to a business trip .  
 Person1:      I guess I need all of them .  
 Person2:  Actually , the company will provide you with all of these supplies . So , you can leave this very thick notebook at home .  
 Person1:      I know . But it is my lucky charm . I carry it all the time .  
 Person2:  Suit yourself . Don ’ t forget to set the alarm clock . 

1