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

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

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