I hope we could both equally agree this sentence is Incorrect because "great" is definitely an adjective, and can't be the subject of "is". The identical is true after you place "the best" in that spot. It is simple to argue that "the best" can be appropriate as the topic https://testosteronecypionatevsen78890.blog4youth.com/37836049/purchase-clenbuterol-things-to-know-before-you-buy