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

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

*GRAMMAR*
dax -> YELLOW 
 tufa -> RED 
 lug -> GREEN 
 gazzer -> BLUE 
 u1 kiki u2 -> [u1] [u2] [u1] 
 x1 zup x2 -> [x2] [x1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 