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

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

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