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

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

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