sentences:  John Sheridan of Babylon 5 comes to Z'ha'dum to parley with the Shadows.After this meeting ends poorly, with Sheridan exploding nuclear warheads within the Shadow capital city and leaping into a gorge, Sheridan ends up stuck between life and death in the depths of Z'ha'dum.During this dream state, Sheridan meets Lorien, and near the end of the ensuing discussion on life, death, and the universe, Lorien asks Sheridan a question