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

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

*GRAMMAR*
blicket -> YELLOW 
 wif -> RED 
 lug -> BLUE 
 gazzer -> GREEN 
 x1 kiki -> [x1] [x1] 
 u1 dax u2 -> [u2] [u2] [u2] [u1] 
 x1 fep x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 