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

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

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