head-complement-rule-0 := head-initial & 
[ SPR #a,
  COMPS < >,   
  ARGS < word & 
         [ SPR #a, 
           COMPS < > ] >  ].


head-complement-rule-1 := head-initial &
[ SPR #a, 
  COMPS < >,   
  ARGS < word & 
         [ SPR #a, 
           COMPS < #1 & [ SPR < > ] > ],   
         #1 >  ].


head-complement-rule-2 := head-initial &
[ SPR #a, 
  COMPS < >,   
  ARGS < word & 
         [ SPR #a, 
           COMPS < #1 & [ SPR < > ], #2 & [ SPR < > ] > ],  
         #1, 
         #2 >  ].


head-specifier-rule := head-final &
[ SPR < >,
  COMPS #a,
  ARGS < phrase & 
         #1 & [ SPR < > ],
        
	 phrase & 
         [ SPR < #1 >,
           COMPS #a ] > ]. 

head-modifier-rule := head-initial &
[ SPR #spr,
  COMPS #comps,

  ARGS < phrase & #hdtr &
         [ SPR #spr,
           COMPS #comps ],     

	 phrase & 
         [ HEAD [MOD < #hdtr > ]] > ].