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

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

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