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

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

*GRAMMAR*
kiki -> GREEN 
 dax -> YELLOW 
 zup -> BLUE 
 gazzer -> RED 
 u1 blicket u2 -> [u2] [u1] 
 u1 wif -> [u1] [u1] [u1] 
 x1 tufa x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 