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

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

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