At the beginning of a social studies unit focused on analyzing influential historical speeches, a middle school SEI teacher wants to help students recognize key elements of persuasive speeches. To this end, the teacher plans to lead students in reviewing excerpts of historical speeches to identify a main topic or argument, reasons that support the argument, facts or examples used by the speaker to validate the reasons, and the speaker's conclusion or call to action. Which of the following differentiation strategies would be most effective in helping the English learners in the class comprehend the speeches at the discourse level to facilitate their successful achievement of the goals of this lesson?