Rewritting rules
ADJ   + N  ->     N   + ADJ
 
POS identification rules
The + Masc N -> Le + Masc N
The + Fem N -> La + Fem N
A + Masc N -> Un + Masc N
A + Fem N -> Une + Fem N
DET + saw -> DET + Fem N
saw + DET -> V + DET 
DET + cane -> DET + Fem N
N + cane -> N + ADJ