The identified portion may include {HEAD ~ an audio clip}, a video image, and {TAIL ~ a video clip} 
The identified portion may include { HEAD ~ an audio clip } , a video image , and { TAIL ~ a video clip }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL