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

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

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