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

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

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