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

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

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