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

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

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