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

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

*GRAMMAR*
fep -> BLUE 
 kiki -> YELLOW 
 dax -> GREEN 
 zup -> PINK 
 u1 gazzer u2 -> [u2] [u1] [u1] [u1] 
 x1 lug -> [x1] [x1] [x1] 
 x1 tufa x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 