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

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

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