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

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

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