Concept:Sentence rearrangement to form a logical and grammatically correct statement.Explanation:The subject is "Ukraine" which urges its citizens."Citizens" are described as those "living in Russia".The urged action is "to leave the" place.The place is "country immediately" — specifying urgency.Thus, order: R (subject) → P (qualifier) → S (action) → Q (object + adverb).Answer:Option B. RPSQ