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

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

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