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

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

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