{HEAD ~ code} for determining {TAIL ~ a first set} of candidates from the plurality of candidates who have completed online certification 
{ HEAD ~ code } for determining { TAIL ~ a first set } of candidates from the plurality of candidates who have completed online certification
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH