Hmm, in your opinion, this is the largest lake or ...

Hmm, in your opinion, this is the largest lake or the smallest sea, if you kneel it is quite difficult for a large ship more than three hundred meters (300 m) or more to pass through the Bosporus Strait in Turkey and in the Dardanella Strait in Greece, it is quite difficult to pass through the Strait but the Strait towards the Black Sea is a bit winding, so this is the smallest sea or the largest lake