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

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

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