The diagnostic tool provides {TAIL ~ a graphical interface} which displays the computer coupled to a plurality of {HEAD ~ computer network entities} on the computer network 
The diagnostic tool provides { TAIL ~ a graphical interface } which displays the computer coupled to a plurality of { HEAD ~ computer network entities } on the computer network
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH