The System sends {HEAD ~ a number} that must be incorporated into {TAIL ~ the response} from a valid Authentication Chip 
incorporated into
The System sends { HEAD ~ a number } that must be incorporated into { TAIL ~ the response } from a valid Authentication Chip
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH