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:     What's this then ?  
 Person2:  It's my geography , sir . The Map of Africa you set us .  
 Person1:      But this should have been handed in last Thursday .  
 Person2:  Yes , I know , sir . I'm sorry .  
 Person1:      Well , what's your excuse then ?  
 Person2:  My mother's been ill and I had to stay at home .  
 Person1:      Oh , Yes ?  
 Person2:  It's true , sir . 

1