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

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

*GRAMMAR*
dax -> RED 
 fep -> PURPLE 
 wif -> BLUE 
 tufa -> YELLOW 
 u1 gazzer u2 -> [u2] [u1] [u1] [u1] [u1] [u2] [u1] [u1] 
 x1 lug x2 -> [x1] [x2] [x2] 
 x1 zup -> [x1] [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 