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

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

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