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

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

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