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

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

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