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

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

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