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

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

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