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

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

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