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

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

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