{TAIL ~ The interface} is adapted to allow {HEAD ~ the user} to select one of the computer network entities 
{ TAIL ~ The interface } is adapted to allow { HEAD ~ the user } to select one of the computer network entities
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH