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

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

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