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

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

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