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

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

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