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

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

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