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

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

*GRAMMAR*
fep -> PURPLE 
 tufa -> GREEN 
 dax -> BLUE 
 gazzer -> RED 
 u1 zup u2 -> [u1] [u2] 
 x1 blicket -> [x1] [x1] 
 x1 lug x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 