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

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

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