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

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

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