christopher nolan first directorial effort and a year before he did memento and and this is almost as brilliant as that classic. he uses time differentials in a similar manner to tell his story and and it a very clever one. bill is this young writer who begins following complete strangers around just to see where they live and what theyre all about. one day and he follows this man and cobb and who turns the tables and confronts bill and who breaks down and confesses what he up to. cobb is a burglar and he takes bill along on a few jobs to teach him the ropes. both men are voyeurs of a sort and a bond begins to grow between the two of them. but there an ulterior motive for cobb nurturing this relationship and and it all ties in very smartly at the end. no and i would not spoil it but this is a very cool movie and i am beginning to think christopher nolan is a genius. if you like suspense films with surprise endings and this one is a must see. 
christopher nolan first directorial effort and a year before he did memento and and this is almost as brilliant as that classic. he uses time differentials in a similar manner to tell his story and and it a very clever one. bill is this young writer who begins following complete strangers around just to see where they live and what theyre all about. one day and he follows this man and cobb and who turns the tables and confronts bill and who breaks down and confesses what he up to. cobb is a burglar and he takes bill along on a few jobs to teach him the ropes. both men are voyeurs of a sort and a bond begins to grow between the two of them. but there an ulterior motive for cobb nurturing this relationship and and it all ties in very smartly at the end. no and i would not spoil it but this is a very cool movie and i am beginning to think christopher nolan is a genius. if you like suspense films with surprise endings and this one is a must see. ---------------------------------Answer Question Below----------------------------------

Judge the movie review above, you need to make a function call:
    If you feel the movie review is positive
        print "This is a semantically positive review."
    Otherwise, if you feel the movie review is negative
        print "This is a semantically negative review."
