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

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

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