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

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

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