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

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

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