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

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

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