{TAIL ~ modifying indication} of relevancy with respect to ones of pieces of the media content based on the patterns of {HEAD ~ the media content} use 
{ TAIL ~ modifying indication } of relevancy with respect to ones of pieces of the media content based on the patterns of { HEAD ~ the media content } use
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH