{HEAD ~ The manager computer} is further coupled to {TAIL ~ the number} of UPS systems via the computer network system 
is coupled to
{ HEAD ~ The manager computer } is further coupled to { TAIL ~ the number } of UPS systems via the computer network system
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH