The approach can further form an overall rating of {TAIL ~ the media} by aggregating the ratings of set of event types within {HEAD ~ the media} 
The approach can further form an overall rating of { TAIL ~ the media } by aggregating the ratings of set of event types within { HEAD ~ the media }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD