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

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

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