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

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

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