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 , what can I do for you ?  
 Person2:  Hello , I come to pay my water and electricity fees .  
 Person1:      Give me your water and electricity bills , please .  
 Person2:  Here they are .  
 Person1:      You should pay 160 yuan for the electricity fee and 80 yuan for the water fee .  
 Person2:  Do you mean that I should pay 240 yuan in total ?  
 Person1:      Yes . Will you pay by cash or credit card ?  
 Person2:  Cash , please . Here is the money .  
 Person1:      I get 250 yuan from you , and this is the change , 10 yuan .  
 Person2:  OK . Thank you . Bye-bye .  
 Person1:      Bye . 

1