I hope we can easily equally agree this sentence is Mistaken for the reason that "great" can be an adjective, and cannot be the topic of "is". Precisely the same is genuine after you set "the best" in that place. It's easy to argue that "the best" might be correct https://cybercrimelawyerindhakara99213.blogdosaga.com/36373967/the-single-best-strategy-to-use-for-limitations-act-in-dha-karachi-pakistan