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