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

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

*GRAMMAR*
zup -> BLUE 
 dax -> GREEN 
 fep -> YELLOW 
 blicket -> RED 
 u1 wif u2 -> [u1] [u1] [u1] [u2] 
 x1 lug u1 -> [x1] [u1] [u1] 
 x1 gazzer x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 