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

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

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