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

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

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