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

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

*GRAMMAR*
fep -> BLUE 
 lug -> GREEN 
 kiki -> YELLOW 
 zup -> PINK 
 x1 wif x2 -> [x1] [x2] [x2] 
 u1 gazzer x1 -> [u1] [x1] 
 u1 tufa x1 -> [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 