*SUPPORT*
IN: lug dax lug dax fep zup OUT: YELLOW BLUE GREEN GREEN
IN: lug OUT: GREEN
IN: lug zup dax lug OUT: GREEN GREEN BLUE
IN: lug tufa OUT: GREEN PINK
IN: fep OUT: YELLOW
IN: tufa wif dax fep gazzer fep dax zup OUT: BLUE YELLOW YELLOW PINK PINK PINK
IN: zup zup wif OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: lug dax fep dax tufa dax tufa OUT: PINK PINK YELLOW GREEN
IN: zup wif OUT: BLUE BLUE BLUE
IN: fep gazzer lug fep OUT: YELLOW GREEN YELLOW
IN: tufa wif OUT: PINK PINK PINK
IN: tufa lug OUT: PINK GREEN
IN: tufa lug wif OUT: PINK GREEN PINK GREEN PINK GREEN
IN: zup OUT: BLUE

*QUERY*
IN: tufa dax fep OUT: YELLOW PINK
IN: fep fep zup dax tufa OUT: PINK YELLOW YELLOW BLUE
IN: zup tufa OUT: BLUE PINK
IN: fep zup OUT: YELLOW BLUE
IN: zup zup gazzer fep OUT: BLUE BLUE YELLOW
IN: zup dax tufa wif OUT: PINK PINK PINK BLUE
IN: lug zup OUT: GREEN BLUE
IN: tufa OUT: PINK
IN: zup gazzer zup wif OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: zup gazzer tufa OUT: BLUE PINK

*GRAMMAR*
fep -> YELLOW 
 zup -> BLUE 
 lug -> GREEN 
 tufa -> PINK 
 x1 dax x2 -> [x2] [x1] 
 x1 wif -> [x1] [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 