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

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

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