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

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

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