HELP ME FASTT!

Which quote from the story helps show the dramatic irony in the story of the Titanic?
Responses

"Down in the plain wooden cabins of the steerage class were 706 immigrants."

"She was not only the largest ship afloat, but was also believed to be the safest."

"Slowly, the Titanic stopped."

"Her sister ship, the Olympic, had been in service for some months already."