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

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

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