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

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

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