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:     Shut up ... Billy ... BILLY !  
 Person2:  What !  
 Person1:      Wow ! What's that ?  
 Person2:  It's my new radio earphone .  
 Person1:      It's so small that I didn't notice it .  
 Person2:  What were you screaming at me for ? 

0