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:     Hey , guys ! Did you see that sign ?  
 Person2:  No . What did it say ?  
 Person1:      There's a garage sale around the corner .  
 Person2:  A garage sale ... that's where people check out cars , right ?  
 Person1:      What ? Cars ? Are you serious ?  
 Person2:  I'm pulling your leg , Paul . I'm a shopping queen , remember ? So of course I know what a garage sale is all about ! 

1