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

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

*GRAMMAR*
fep -> RED 
 wif -> YELLOW 
 zup -> PINK 
 dax -> PURPLE 
 x1 tufa x2 -> [x1] [x2] 
 u1 gazzer u2 -> [u1] [u1] [u2] 
 u1 lug u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 