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

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

*GRAMMAR*
tufa -> PINK 
 fep -> RED 
 lug -> GREEN 
 zup -> BLUE 
 u1 wif u2 -> [u2] [u1] 
 x1 dax -> [x1] [x1] 
 x1 gazzer x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 