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

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

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