*SUPPORT*
IN: zup kiki blicket zup OUT: BLUE RED BLUE
IN: wif gazzer OUT: YELLOW YELLOW YELLOW
IN: dax OUT: GREEN
IN: dax tufa OUT: GREEN GREEN
IN: dax dax wif kiki kiki OUT: GREEN GREEN YELLOW RED RED
IN: dax dax tufa OUT: GREEN GREEN GREEN
IN: dax blicket dax OUT: GREEN GREEN
IN: kiki blicket wif OUT: RED YELLOW
IN: kiki zup kiki blicket wif OUT: RED BLUE RED YELLOW
IN: zup dax gazzer OUT: BLUE GREEN BLUE GREEN BLUE GREEN
IN: dax zup gazzer OUT: GREEN BLUE GREEN BLUE GREEN BLUE
IN: kiki tufa gazzer OUT: RED RED RED RED RED RED
IN: zup tufa OUT: BLUE BLUE
IN: kiki gazzer OUT: RED RED RED

*QUERY*
IN: dax zup blicket wif OUT: GREEN BLUE YELLOW
IN: zup tufa gazzer OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: kiki blicket dax OUT: RED GREEN
IN: kiki tufa OUT: RED RED
IN: zup blicket wif OUT: BLUE YELLOW
IN: wif tufa OUT: YELLOW YELLOW
IN: kiki OUT: RED
IN: wif blicket zup OUT: YELLOW BLUE
IN: dax wif blicket kiki OUT: GREEN YELLOW RED
IN: wif blicket dax OUT: YELLOW GREEN

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