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

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

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