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

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

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