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

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

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