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

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

*GRAMMAR*
lug -> PINK 
 zup -> YELLOW 
 fep -> BLUE 
 tufa -> RED 
 x1 kiki x2 -> [x1] [x2] 
 x1 blicket x2 -> [x1] [x2] 
 x1 gazzer u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 