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

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

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