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:     It ’ s going to a volleyball match between the economic department and foreign language department this afternoon . Are any of you keen on volleyball ?  
 Person2:  Sorry , I ’ m not a volleyball-fun . I ’ d rather play football . How about you , Mr . Wang . ? Are you interested in volleyball ?  
 Person1:      I ’ m afraid not . My favorite is boots-running . I don ’ t care about games . 

1