{HEAD ~ A container} has {TAIL ~ a generally hollow interior} and a container rim defining an opening for accessing the interior thereof 
{ HEAD ~ A container } has { TAIL ~ a generally hollow interior } and a container rim defining an opening for accessing the interior thereof
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH