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

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

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