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

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

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