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

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

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