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

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

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