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

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

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