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

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

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