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

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

*GRAMMAR*
lug -> BLUE 
 fep -> RED 
 dax -> GREEN 
 tufa -> YELLOW 
 x1 wif x2 -> [x1] [x2] [x1] [x2] [x2] 
 x1 gazzer x2 -> [x2] [x2] [x1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 