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

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

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