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