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

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

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