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

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

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