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

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

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