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

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

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