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

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

*GRAMMAR*
lug -> RED 
 zup -> BLUE 
 fep -> PURPLE 
 dax -> GREEN 
 x1 gazzer u1 -> [x1] [x1] [u1] 
 x1 wif u1 -> [x1] [u1] [x1] [u1] [u1] 
 u1 blicket u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 