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

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

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