The answer to the question above is the second option: …starry skies; … From Byron's poem "She Walks in Beauty", this is the phrase the contains sibilance. So in literature, sibilance is one of the literary devices that is used in poems which creates a "hissing" sound and mostly stresses on consonant sounds. Commonly, sibilants include the sounds of "es" or "sh" and "zzz" sounds.