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

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

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