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

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

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