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

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

*GRAMMAR*
dax -> YELLOW 
 lug -> PURPLE 
 zup -> RED 
 fep -> BLUE 
 x1 blicket x2 -> [x2] [x1] [x2] 
 x1 gazzer u1 -> [u1] [x1] 
 x1 tufa x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 