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

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

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