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 have any year-end benefits ?  
 Person2:  I don ’ t know till now .  
 Person1:      I just saw a piece of news , that a group of white color workers hold a flour war in the office because of dissatisfaction of the year-end benefits .  
 Person2:  Why they hold a flour war ?  
 Person1:      They got rice , flour and oil as presents , while the leadership got 1000 yuan shopping card .  
 Person2:  They are not feeling satisfied ?  
 Person1:      It is said that the presents they got value less than 200 yuan , and it is no use for them at all , because they don't cook by themselves .  
 Person2:  But how guilty to waste food ! 

1