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

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

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