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

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

*GRAMMAR*
blicket -> BLUE 
 gazzer -> GREEN 
 tufa -> YELLOW 
 dax -> RED 
 x1 kiki x2 -> [x2] [x1] 
 u1 zup x1 -> [x1] [u1] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 