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

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

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