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

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

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