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