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

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

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