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

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

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