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

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

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