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

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

*GRAMMAR*
gazzer -> BLUE 
 dax -> YELLOW 
 blicket -> RED 
 lug -> GREEN 
 x1 tufa -> [x1] [x1] 
 x1 zup x2 -> [x2] [x1] [x2] 
 u1 fep u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 