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

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

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