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

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

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