*SUPPORT*
IN: fep tufa tufa dax blicket OUT: BLUE RED RED YELLOW YELLOW
IN: gazzer kiki OUT: GREEN GREEN
IN: gazzer OUT: GREEN
IN: tufa blicket OUT: RED RED
IN: gazzer gazzer lug gazzer gazzer gazzer kiki OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: dax blicket OUT: YELLOW YELLOW
IN: gazzer blicket OUT: GREEN GREEN
IN: fep blicket OUT: BLUE BLUE
IN: tufa kiki OUT: RED RED
IN: tufa OUT: RED
IN: gazzer gazzer gazzer OUT: GREEN GREEN GREEN
IN: fep OUT: BLUE
IN: gazzer tufa dax kiki OUT: GREEN RED YELLOW YELLOW
IN: gazzer lug gazzer blicket OUT: GREEN GREEN GREEN GREEN

*QUERY*
IN: tufa tufa kiki lug fep OUT: RED RED RED RED RED RED BLUE
IN: tufa gazzer kiki lug gazzer blicket OUT: RED GREEN GREEN RED GREEN GREEN GREEN GREEN
IN: dax dax kiki OUT: YELLOW YELLOW YELLOW
IN: fep kiki OUT: BLUE BLUE
IN: dax OUT: YELLOW
IN: dax kiki OUT: YELLOW YELLOW
IN: dax fep OUT: YELLOW BLUE
IN: fep gazzer OUT: BLUE GREEN
IN: gazzer kiki lug dax kiki OUT: GREEN GREEN GREEN GREEN YELLOW YELLOW
IN: fep tufa blicket OUT: BLUE RED RED

*GRAMMAR*
gazzer -> GREEN 
 tufa -> RED 
 dax -> YELLOW 
 fep -> BLUE 
 u1 blicket -> [u1] [u1] 
 u1 kiki -> [u1] [u1] 
 x1 lug x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 