The automatic generator includes a specification tool for specifying a set of {TAIL ~ block descriptions representative} of specified portions of {HEAD ~ a database} 
The automatic generator includes a specification tool for specifying a set of { TAIL ~ block descriptions representative } of specified portions of { HEAD ~ a database }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD