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

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

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