After deciphering the enemy's code, it has been known that "Banana Apple Duck Pear" means "Wednesday Secret Offense", "Apple Sugarcane Juicy Peach" means "Performing a Secret Plan" and "Guangan Banana Tomato" means "Wednesday Our victory belongs to us ",. Then "big duck pear" means ______. ['Secrets.', 'Wednesday.', 'Offense.', 'Implementation.']