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

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

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