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

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

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