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 ?  
 Person2:  There ’ s a problem with my check .  
 Person1:      What problem ?  
 Person2:  My check for $ 100 bounced .  
 Person1:      Are you sure you have $ 100 in your checking account ?  
 Person2:  I thought I did .  
 Person1:      I ’ ll check for you .  
 Person2:  Thank you very much .  
 Person1:      It looks like you only have $ 57 left in your account .  
 Person2:  That can ’ t be right !  
 Person1:      That ’ s what my computer is showing .  
 Person2:  All right . Thank you very much . 

1