creating a rating for the media based on an aggregate of the plurality of scores for {HEAD ~ the plurality} of {TAIL ~ events} 
of
creating a rating for the media based on an aggregate of the plurality of scores for { HEAD ~ the plurality } of { TAIL ~ events }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL