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

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

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