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

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

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