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

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

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