{HEAD ~ A consumer policy request} for {TAIL ~ a web service} is mediated through a functional web service or a policy web service 
{ HEAD ~ A consumer policy request } for { TAIL ~ a web service } is mediated through a functional web service or a policy web service
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH