{HEAD ~ The devices} include {TAIL ~ a plurality} of electronic shelf labels 202A . . . 202N and a plurality of RFID tags 204A . . . 204N 
{ HEAD ~ The devices } include { TAIL ~ a plurality } of electronic shelf labels 202A . . . 202N and a plurality of RFID tags 204A . . . 204N
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH