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

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

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