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

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

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