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