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

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

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