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

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

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