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

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

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