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

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

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