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

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

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