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

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

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