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

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

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