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

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

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