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

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

*GRAMMAR*
lug -> PURPLE 
 fep -> PINK 
 zup -> BLUE 
 tufa -> GREEN 
 u1 wif x1 -> [u1] [x1] 
 u1 dax u2 -> [u2] [u2] [u1] [u1] [u1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 