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

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

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