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

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

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