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

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

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