Which sentence best represents the complicating incident in "R.M.S. Titanic"?

"But far below, in the warren of passages on the starboard side forward, in the forward holds and boiler rooms, men could see that the Titanic’s hurt was mortal."

"Out of the dark she came, a vast, dim, white, monstrous shape, directly in the Titanic's path."

"In the crow’s-nest, lookout Frederick Fleet and his partner, Leigh, gazed down at the water, still and unruffled in the dim, starlit darkness."

"The White Star liner Titanic, largest ship the world had ever known, sailed from Southampton on her maiden voyage to New York on April 10, 1912."