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

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

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