The federated folder and {HEAD ~ its associated storage structure} have {TAIL ~ the capability} to save its instances persistently 
have
The federated folder and { HEAD ~ its associated storage structure } have { TAIL ~ the capability } to save its instances persistently
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH