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

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

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