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

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

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