کاور کاغذ a۴
{"corrected_query": "کاور کاغذ a4", "keywords": [{"keyword": "کاور", "priority": 1, "synonyms": ["جلد", "محافظ"]}, {"keyword": "کاغذ", "priority": 1, "synonyms": ["ورق"]}, {"keyword": "a4", "priority": 1, "synonyms": ["ای 4", "a 4"]}]}