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:     The answer is zero ! What a let-down ! 
 Person2:  I really want to take him over my knee . 
 Person1:      No hard feelings . After all , he is a child . 
 Person2:  If you say so ! 

0