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

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

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