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

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

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