FIG 2 shows one illustrative example of {HEAD ~ a set} of {TAIL ~ rules} that a user might enter into the R&P modules 
of
FIG 2 shows one illustrative example of { HEAD ~ a set } of { TAIL ~ rules } that a user might enter into the R&P modules
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH