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

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

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