The present invention acts as {HEAD ~ an agent} for {TAIL ~ the user} and implements the specifications on the clients 
for
The present invention acts as { HEAD ~ an agent } for { TAIL ~ the user } and implements the specifications on the clients
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH