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

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

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