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

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

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