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

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

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