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

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

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