*SUPPORT*
IN: dax zup gazzer fep OUT: PINK BLUE GREEN
IN: tufa gazzer zup OUT: GREEN PURPLE
IN: zup lug tufa OUT: PURPLE GREEN GREEN
IN: zup OUT: GREEN
IN: zup gazzer dax OUT: PINK GREEN
IN: dax lug zup OUT: GREEN PINK PINK
IN: zup lug dax OUT: PINK GREEN GREEN
IN: zup blicket dax OUT: PINK GREEN
IN: fep blicket tufa OUT: PURPLE BLUE
IN: dax blicket dax OUT: PINK PINK
IN: tufa fep gazzer fep OUT: PURPLE BLUE BLUE
IN: fep lug fep OUT: BLUE BLUE BLUE
IN: fep tufa gazzer fep OUT: BLUE BLUE PURPLE
IN: tufa blicket zup OUT: GREEN PURPLE

*QUERY*
IN: tufa dax OUT: PURPLE PINK
IN: fep fep tufa OUT: BLUE BLUE PURPLE
IN: fep fep gazzer fep OUT: BLUE BLUE BLUE
IN: dax lug tufa OUT: PURPLE PINK PINK
IN: fep blicket dax OUT: PINK BLUE
IN: zup gazzer tufa OUT: PURPLE GREEN
IN: fep gazzer zup OUT: GREEN BLUE
IN: fep OUT: BLUE
IN: tufa OUT: PURPLE
IN: dax zup blicket fep OUT: PINK BLUE GREEN

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