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

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

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