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