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

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

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