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

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

*GRAMMAR*
lug -> YELLOW 
 kiki -> BLUE 
 zup -> GREEN 
 tufa -> RED 
 x1 wif x2 -> [x1] [x1] [x2] 
 x1 fep -> [x1] [x1] 
 u1 gazzer u2 -> [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 