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 do you like to do in your spare time ?  
 Person2:  I like taking photos .  
 Person1:      Really ?  
 Person2:  Yes , look at the photos I took .  
 Person1:      They are beautiful . You did a good job .  
 Person2:  Thank you for saying so .  
 Person1:      As a matter of fact , you are really a terrific photographer . 

1