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:     How may I help you today ? 
 Person2:  I need to make some copies . 
 Person1:      The copier is right over there . 
 Person2:  Does it cost to use it ? 
 Person1:      We do charge to use the machine . 
 Person2:  How much does it cost ? 
 Person1:      We charge ten cents a copy . 
 Person2:  How many copies am I allowed to make ? 
 Person1:      There is no limit to how many copies you can make . 
 Person2:  Would you mind showing me how to use it ? 
 Person1:      Please read the instructions on the copier . 
 Person2:  Oh , okay . Thanks . 

1