I hope we can easily each agree this sentence is Completely wrong simply because "great" can be an adjective, and cannot be the topic of "is". A similar is correct if you place "the best" in that location. It is simple to argue that "the best" can be right as https://lawyer-in-dha96140.full-design.com/everything-about-cyber-crime-lawyer-in-dha-karachi-pakistan-78869887