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

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

*GRAMMAR*
fep -> YELLOW 
 gazzer -> BLUE 
 wif -> RED 
 zup -> PURPLE 
 u1 lug -> [u1] [u1] 
 x1 dax x2 -> [x1] [x2] 
 u1 tufa x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 