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

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

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