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

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

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