To access {HEAD ~ the computer software} with {TAIL ~ the second computer system}, the second computer system transmits a request for the software to the first computer system 
To access { HEAD ~ the computer software } with { TAIL ~ the second computer system } , the second computer system transmits a request for the software to the first computer system
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH