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:     I stayed online chatting with friends all night . It was great fun .  
 Person2:  I don't understand . You don't even know the ' friends ' you are ' talking ' to !  
 Person1:      It is better I don't know them . So I can say anything I want .  
 Person2:  Do you believe what they say ?  
 Person1:      Who cares ? It's just online . It's not real . Do you want to join me tonight ?  
 Person2:  Thanks , but I'm a lousy typist . 

0