Input (grade 5): The king cobra (Ophiophagus hannah) is the world's longest venomous snake, with a length up to 5.6 m (18.5 ft).
Output (grade 4): The King Cobra (Ophiophagus hannah) is a species of the Elapidae family. It is the world's longest venomous snake with a length that can be as large as 5.6 m (18.5 ft).