for avid sci fi fans this movie is just what you have been waiting for. watching this movie gets you lost into the characters and especially riddick and the movies bad guy. this is the case where you root for the bad guy and want to see him live and win. as you watch the survivors struggle to stay alive you long to see who lives and how they survive these unknown creatures that have taken over this planet. an excellent movie and vin diesel did a wonderful job as convict riddick and the acting and suspense were ravishing. a plus . 
for avid sci fi fans this movie is just what you have been waiting for. watching this movie gets you lost into the characters and especially riddick and the movies bad guy. this is the case where you root for the bad guy and want to see him live and win. as you watch the survivors struggle to stay alive you long to see who lives and how they survive these unknown creatures that have taken over this planet. an excellent movie and vin diesel did a wonderful job as convict riddick and the acting and suspense were ravishing. a plus . ---------------------------------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."
