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

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

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