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:     Are we going to have gym class tomorrow ?  
 Person2:  Are you crazy ? Tomorrow's Saturday .  
 Person1:      Sometimes I forget that we don't have school on Saturdays .  
 Person2:  Americans also don't go to work on Saturdays .  
 Person1:      So there are only five working days in a week ?  
 Person2:  Right . What are you going to do tonight ?  
 Person1:      I'm going to study .  
 Person2:  On a Friday night ?  
 Person1:      Well , I need to polish up my English . 

1