NP  ::= Det CN ;
NP  ::= PN ;
NP  ::= Pron ;
NP  ::= Predet Quant Num ;
Det ::= Predet Quant OptNum ;

Predet ::= ;

-- examples
-- Predet ::= "only" | "just" ;
-- Quant  ::= "this" | "the" | "a" | "every" | "some" ;
-- Num ::= "one" ;

Quant  ::= Poss ;

OptNum ::=  | Num ;

Num ::= Ordinal ;

-- instead of NMass
Quant  ::= ; 

---NP ::= DetMass NMass ;
---DetMass ::= Predet Quant ;
---DetMass ::= Predet ;
---NMass ::= "wine" ;

NP     ::= Det_Pl CN_Pl ;
NP     ::= Predet_Pl Quant_Pl Num_Pl ; -- nonempty det

Det_Pl ::= Predet_Pl Quant_Pl OptNum_Pl ;

Predet_Pl ::= ;
Quant_Pl  ::= ;

Quant_Pl  ::= Poss ;

Poss ::= NP "'s" ; -- also "my" ;

OptNum_Pl ::= | Num_Pl ;

Num_Pl ::= Ordinal ;
Num_Pl ::= Int ;
Num_Pl ::= Numeral ;

-- less than, exactly, almost,...
Numeral ::= AdN Numeral ;

CN_Pl ::= N_Pl ;
CN    ::= N ;

-- prepositions cannot be expressed generally here
-- NB relational nouns explain why complements are closer than adjuncts
-- But let us make the resource simpler by excluding them
-- CN ::= N2 Prep NP ;
-- N2 ::= N3 Prep NP ;

-- elliptical constructions
-- with exclusion of rel nouns, they just help reuse the old lexicon

N2 ::= N3 ;
N  ::= N2 ;

-- these need other modules to produce anything

CN ::= AP CN ;
CN ::= CN AP_post ;
CN ::= CN "that" S ;

CN_Pl ::= AP CN_Pl ;
CN_Pl ::= CN_Pl AP_post ;