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

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

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