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

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

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