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

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

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