Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: An operation is under way to raise the Sewol ferry which capsized more than two years ago killing 304 people, mostly teenagers, in South Korea.

Raising of sunken Sewol ferry under way two years later