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

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

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