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:     You know that this afternoon's meeting is cancelled , right ?  
 Person2:  Why am I always the last to know these things ?  
 Person1:      I sent out a notice . You've stopped checking your e-mail ?  
 Person2:  No , but Bean did send me like a hundred forwards today . My mailbox must have been overflowing .  
 Person1:      How obnoxious ! I heard he was sending you dirty jokes .  
 Person2:  He not only sent me nasty e-mail , but he's so bored , he even asked me to search the Net for even more forwards for him ! 

1