In an alternate embodiment, {HEAD ~ the representation} of {TAIL ~ text} may be ML page 21 
In an alternate embodiment , { HEAD ~ the representation } of { TAIL ~ text } may be ML page 21
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH