The remote card processing unit is for modifying the information receivable on {HEAD ~ the cards} responsive to {TAIL ~ information} received via the computer network 
responsive to
The remote card processing unit is for modifying the information receivable on { HEAD ~ the cards } responsive to { TAIL ~ information } received via the computer network
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH