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:     Where do you live , Kim ?  
 Person2:  I live in an apartment downtown .  
 Person1:      Oh , that's convenient , but ... how much crime is there ?  
 Person2:  Not much . But there is a lot of traffic . I can't stand the noise sometimes ! Where do you live ?  
 Person1:      . I have a house in the suburbs .  
 Person2:  Oh , I bet it's really quiet . But is there much to do there ?  
 Person1:      No , not much . In fact , nothing ever really happens . That's the trouble .  
 Person2:  Hey . Let's trade places one weekend !  
 Person1:      OK . Great idea ! 

1