*SUPPORT*
IN: gazzer OUT: GREEN
IN: gazzer wif OUT: GREEN YELLOW
IN: gazzer kiki blicket dax lug OUT: BLUE RED GREEN
IN: wif kiki wif dax blicket OUT: YELLOW BLUE YELLOW
IN: lug fep lug OUT: RED RED
IN: lug OUT: RED
IN: lug kiki lug dax blicket OUT: RED BLUE RED
IN: gazzer fep blicket OUT: GREEN BLUE
IN: gazzer fep lug OUT: GREEN RED
IN: gazzer dax lug OUT: GREEN RED
IN: wif kiki gazzer OUT: GREEN YELLOW
IN: wif OUT: YELLOW
IN: lug fep blicket OUT: RED BLUE
IN: blicket lug dax wif OUT: BLUE RED YELLOW

*QUERY*
IN: wif lug fep wif OUT: YELLOW RED YELLOW
IN: lug blicket blicket dax gazzer OUT: RED BLUE BLUE GREEN
IN: lug kiki wif fep blicket OUT: YELLOW BLUE RED
IN: gazzer dax blicket OUT: GREEN BLUE
IN: wif kiki wif fep blicket OUT: YELLOW BLUE YELLOW
IN: wif lug fep lug OUT: YELLOW RED RED
IN: lug wif kiki blicket wif dax lug OUT: RED BLUE YELLOW RED YELLOW
IN: blicket dax blicket OUT: BLUE BLUE
IN: wif blicket wif kiki wif dax gazzer OUT: YELLOW BLUE YELLOW GREEN YELLOW
IN: blicket dax lug OUT: BLUE RED

*GRAMMAR*
blicket -> BLUE 
 gazzer -> GREEN 
 lug -> RED 
 wif -> YELLOW 
 u1 kiki x1 -> [x1] [u1] 
 u1 dax u2 -> [u1] [u2] 
 u1 fep u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 