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

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

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