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

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

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