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:     Hi Bob , how ’ s business ?  
 Person2:  Just okay .  
 Person1:      Okay , enough small talk . Let ’ s get down to business .  
 Person2:  Good idea .  
 Person1:      Since we ’ re good friends , you don't have to pay me .  
 Person2:  No , I can ’ t accept it . Business is business . 

1