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:     As we know , mobile phones bring people great convenience and shorten the distance among friends and relatives .  
 Person2:  It bears a great many of advantages , but also some weak points .  
 Person1:      Is it ? I've never thought of any disadvantages of the mobile phone .  
 Person2:  For instance , the mobile phone seriously distracts the attention of people from work and study .  
 Person1:      That's true . Some people pay too much attention to their mobile phones .  
 Person2:  Actually , it's not the fault of the mobile phone . But people should have a proper attitude towards it . Mobile phone is a tool serving people , not the fetters restricting them . 

0