planet earth has suffered a terrible environmental disaster so humanity now survives underground split in to different religious cults . what caused the catastrophe . i have no idea . why is humanity split in to different ecclesiastical factions . i have no idea . since the surface of the earth can no longer support human life how are the humans able to grow crops in order to feed the population . i have no idea . what sort of producer thought this screenplay deserved to receive funding . i have no idea shepherd is one of these films that creeps up late at night on cable channels . the sort of film where you consult the imbb to see if it has any merits . the number of people who have commentated on shepherd on this page hasn not yet reached double figures and this is a film that was released nine years ago . perhaps the people who have never seen it are the lucky ones . as for the rest of the plot it very routine . grumpy former cop boris dakota whose wife and child died several years previously meets a woman and her child and it up to him to save their lives  and almost like a futuristic western . throw in a former wrestler who now runs the god channel  and a fascist christian bloke who trying to snuff out boris  and a ventriloquist  and some t and a for the sake of it and you have got a mess of a film . i guess after seeing this neil marshall doomsday is possibly a masterwork of cinema in comparison. 
planet earth has suffered a terrible environmental disaster so humanity now survives underground split in to different religious cults . what caused the catastrophe . i have no idea . why is humanity split in to different ecclesiastical factions . i have no idea . since the surface of the earth can no longer support human life how are the humans able to grow crops in order to feed the population . i have no idea . what sort of producer thought this screenplay deserved to receive funding . i have no idea shepherd is one of these films that creeps up late at night on cable channels . the sort of film where you consult the imbb to see if it has any merits . the number of people who have commentated on shepherd on this page hasn not yet reached double figures and this is a film that was released nine years ago . perhaps the people who have never seen it are the lucky ones . as for the rest of the plot it very routine . grumpy former cop boris dakota whose wife and child died several years previously meets a woman and her child and it up to him to save their lives  and almost like a futuristic western . throw in a former wrestler who now runs the god channel  and a fascist christian bloke who trying to snuff out boris  and a ventriloquist  and some t and a for the sake of it and you have got a mess of a film . i guess after seeing this neil marshall doomsday is possibly a masterwork of cinema in comparison. ---------------------------------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."
