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

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

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