An article of manufacture directs {TAIL ~ a system} for navigating {HEAD ~ an electronic network} to perform the above listed steps 
An article of manufacture directs { TAIL ~ a system } for navigating { HEAD ~ an electronic network } to perform the above listed steps
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH