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

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

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