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

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

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