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

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

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