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

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

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