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

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

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