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

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

*GRAMMAR*
fep -> YELLOW 
 zup -> PINK 
 lug -> RED 
 tufa -> PURPLE 
 u1 gazzer u2 -> [u1] [u1] [u2] 
 x1 wif -> [x1] [x1] 
 u1 kiki x1 -> [x1] [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 