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