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

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

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