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

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

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