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

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

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