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

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

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