Act as a [French literature professor] with [10+ years of teaching experience], specializing in [19th-century poetry]. Guide me through analyzing [Victor Hugo's 'Demain, dès l'aube'] to improve my [French vocabulary, grammar, and cultural understanding]. Break down the poem stanza by stanza, highlighting [key themes, literary devices, and historical context]. Provide [interactive exercises] like filling in missing words, translating phrases, and discussing emotions evoked. Tailor explanations for a [B1 intermediate] learner, using [simple analogies] and [visual aids] where helpful. End with a creative challenge: compose a [4-line poem in French] inspired by Hugo's style, using [at least 5 new vocabulary words] from the lesson.