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:     Hello , there . How can I help ?  
 Person2:  Hello . I'm hoping to buy some Treasury Certificates today . Are they available ?  
 Person1:      Certainly , Visible Treasury Certificates . Then you can get a receipt from the savings office as proof of payment . Hence the ' visible ' , you can see it .  
 Person2:  Ah , right . How much do I need to spend ?  
 Person1:      The minimum is 100 RIB , and the maximum is 500,000 RIB .  
 Person2:  How about Bearer Certificates ? Are they different ?  
 Person1:      Yes , they are different because they are printed by the Ministry of Finance in set amounts . Just 100 RIB , 500 RIB and 1,000 RIB , you cannot choose from many amounts , you see . 

1