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

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

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