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

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

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