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

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

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