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

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

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