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

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

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