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

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

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