However, despite such demand there has been {TAIL ~ no conventional method} for giving a changeable displayed position for the child frame in {HEAD ~ accordance} with the change of the parent frame video as described above 
However , despite such demand there has been { TAIL ~ no conventional method } for giving a changeable displayed position for the child frame in { HEAD ~ accordance } with the change of the parent frame video as described above
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH