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

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

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