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

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

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