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

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

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