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

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

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