Semantic text features are extracted from the associated text and {HEAD ~ the piece} of {TAIL ~ media content} 
of
Semantic text features are extracted from the associated text and { HEAD ~ the piece } of { TAIL ~ media content }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL