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:     Did Bean send these dirty jokes to you , too ? Look !  
 Person2:  What a creep ! Phony good luck e-mails are one thing , but sexual harassment is crossing the line .  
 Person1:      No wonder he asked for my address first-he just wants to harass me !  
 Person2:  You could try using a spam filter to reject stuff that's obviously pornographic or anything else you don't want . 

1