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

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

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