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

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

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