{HEAD ~ The tray} includes {TAIL ~ a bottom panel} substantially parallel to the bottom wall and a side panel substantially perpendicular to the bottom panel 
includes
{ HEAD ~ The tray } includes { TAIL ~ a bottom panel } substantially parallel to the bottom wall and a side panel substantially perpendicular to the bottom panel
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH