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

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

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