A cushion can be provided on {HEAD ~ the cover} behind {TAIL ~ the leg portion} of the body 
behind
A cushion can be provided on { HEAD ~ the cover } behind { TAIL ~ the leg portion } of the body
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH