*SUPPORT*
IN: fep kiki zup fep lug OUT: RED BLUE PINK BLUE
IN: zup kiki zup OUT: RED RED
IN: tufa wif gazzer tufa OUT: PURPLE PURPLE PURPLE
IN: fep kiki fep lug gazzer fep gazzer fep OUT: BLUE PINK BLUE BLUE BLUE
IN: fep OUT: BLUE
IN: zup kiki lug OUT: PINK RED
IN: tufa kiki fep OUT: BLUE PURPLE
IN: zup fep wif OUT: RED BLUE RED BLUE
IN: zup wif OUT: RED RED
IN: tufa fep fep tufa fep gazzer tufa OUT: PURPLE BLUE BLUE PURPLE BLUE PURPLE
IN: tufa kiki zup tufa OUT: RED PURPLE PURPLE
IN: zup wif gazzer fep OUT: RED RED BLUE
IN: lug kiki fep OUT: BLUE PINK
IN: lug kiki zup tufa OUT: RED PURPLE PINK

*QUERY*
IN: tufa fep wif wif OUT: PURPLE BLUE PURPLE BLUE PURPLE BLUE PURPLE BLUE
IN: tufa fep kiki tufa OUT: PURPLE PURPLE BLUE
IN: tufa OUT: PURPLE
IN: zup gazzer tufa gazzer tufa gazzer lug OUT: RED PURPLE PURPLE PINK
IN: tufa zup zup wif OUT: PURPLE RED RED PURPLE RED RED
IN: tufa zup OUT: PURPLE RED
IN: zup kiki lug gazzer fep OUT: PINK RED BLUE
IN: lug OUT: PINK
IN: fep kiki tufa gazzer lug OUT: PURPLE BLUE PINK
IN: zup OUT: RED

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