{HEAD ~ The present invention} is {TAIL ~ a boat canopy mounting system} for securing a boat canopy to a boat 
is
{ HEAD ~ The present invention } is { TAIL ~ a boat canopy mounting system } for securing a boat canopy to a boat
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH