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

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

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