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

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

*GRAMMAR*
dax -> GREEN 
 lug -> RED 
 kiki -> PURPLE 
 zup -> BLUE 
 u1 blicket -> [u1] [u1] 
 u1 fep u2 -> [u2] [u1] 
 x1 tufa u1 -> [x1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 