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

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

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