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

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

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