*SUPPORT*
IN: dax gazzer OUT: RED PINK
IN: fep dax dax tufa dax OUT: BLUE RED RED RED RED
IN: gazzer OUT: PINK
IN: gazzer fep tufa fep dax OUT: PINK BLUE BLUE RED BLUE RED
IN: fep dax gazzer dax dax tufa kiki OUT: BLUE RED PINK RED RED YELLOW YELLOW
IN: dax blicket OUT: RED RED
IN: fep kiki OUT: BLUE YELLOW
IN: kiki gazzer kiki blicket OUT: YELLOW PINK YELLOW YELLOW PINK YELLOW
IN: gazzer dax blicket OUT: PINK RED PINK RED
IN: fep gazzer blicket OUT: BLUE PINK BLUE PINK
IN: fep gazzer OUT: BLUE PINK
IN: dax lug OUT: RED RED
IN: fep blicket OUT: BLUE BLUE
IN: dax blicket lug OUT: RED RED RED RED

*QUERY*
IN: kiki lug blicket OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep OUT: BLUE
IN: dax OUT: RED
IN: kiki gazzer OUT: YELLOW PINK
IN: kiki OUT: YELLOW
IN: gazzer lug OUT: PINK PINK
IN: kiki blicket OUT: YELLOW YELLOW
IN: gazzer blicket lug OUT: PINK PINK PINK PINK
IN: gazzer blicket OUT: PINK PINK
IN: gazzer tufa kiki blicket OUT: PINK YELLOW YELLOW PINK YELLOW YELLOW

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