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

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

*GRAMMAR*
dax -> YELLOW 
 kiki -> PURPLE 
 zup -> RED 
 fep -> BLUE 
 u1 tufa u2 -> [u2] [u2] [u1] 
 x1 wif -> [x1] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 