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

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

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