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

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

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