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

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

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