{HEAD ~ A workgroup organized network manager} for controlling {TAIL ~ the operation} of individual workstations within a computer network 
for controlling
{ HEAD ~ A workgroup organized network manager } for controlling { TAIL ~ the operation } of individual workstations within a computer network
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH