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

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

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