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

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

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