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

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

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