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

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

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