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

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

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