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

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

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