{HEAD ~ A determination} is made of {TAIL ~ relative priorities} of the subgroups and a quorum is awarded to the subgroup having a highest relative priority 
is made of
{ HEAD ~ A determination } is made of { TAIL ~ relative priorities } of the subgroups and a quorum is awarded to the subgroup having a highest relative priority
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH