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

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

*GRAMMAR*
wif -> BLUE 
 dax -> YELLOW 
 kiki -> PURPLE 
 fep -> RED 
 x1 zup x2 -> [x2] [x1] 
 u1 blicket u2 -> [u1] [u2] [u2] 
 x1 lug u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 