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

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

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