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

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

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