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

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

*GRAMMAR*
lug -> RED 
 wif -> PURPLE 
 dax -> BLUE 
 tufa -> YELLOW 
 x1 zup x2 -> [x2] [x2] [x1] 
 u1 fep u2 -> [u1] [u2] [u2] 
 u1 gazzer x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 