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

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

*GRAMMAR*
fep -> BLUE 
 tufa -> RED 
 lug -> YELLOW 
 dax -> PURPLE 
 x1 wif -> [x1] [x1] 
 x1 kiki x2 -> [x2] [x1] 
 x1 gazzer u1 -> [x1] [x1] [u1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 