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

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

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