17. The apparatus of claim 16 , wherein the at least one linking token comprises at least one sequence of one or more tokens selected from the group consisting of: originally, but, is now, or, and, whereas, as opposed to, as compared with, as contrasted with, and versus.
16. The apparatus of claim 10 , wherein the at least one processor executes the instructions to identify the at least one token to be rendered with contrastive stress at least in part by: identifying at least one linking token in the text input indicating applicability of contrastive stress; and based at least in part on the at least one linking token, identifying the at least one token to be rendered with contrastive stress.