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:     We need to do a group report tomorrow . I need to go to the stationer to buy something for the posters .  
 Person2:  You need to make posters ?  
 Person1:      absolutely . Every time when we do the reports , we love making some beautiful posters to emphasize our theme ideas .  
 Person2:  I see . Then let's make a shoppinglIist first before we go there.othe rise , It may take us a whole day to search for the things you need .  
 Person1:      No problem . I need some markers , some color pencils , a pair of scissors , some highlighter , rulers ..  
 Person2:  Wow , it is like a maze , I think I might get lost soon .  
 Person1:      Don't worry.In fact , it is very easy to find what you want . Can you see the sign on top of every shelf . It clearly tells you what things are displayed on every shelf .  
 Person2:  Oh , yes . You are so smart . I see them . So I have to go to shelf number 3 first to get my markers , color pencils and highlighters and somebrushes .  
 Person1:      I also need some thumbtacks , whiteout and paper clips . Which shelf are they on ? I can't find the number .  
 Person2:  It's at the back . I think you are near-sighted . You had better get yourself a pair of nice glasses . 

0