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

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

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