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

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

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