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