instruction: Find comments that might be no longer needed.
response: SELECT p.Id AS "post_link" FROM Posts AS p JOIN Comments AS c ON c.PostId = p.Id WHERE DATEDIFF(day, p.LastEditDate, CreationDate) >= 0 AND c.Text LIKE '%##KeywordsInComment##%' AND NOT EXISTS(SELECT ph.PostId FROM PostHistory AS ph WHERE ph.PostHistoryTypeId = 10 AND ph.PostId = p.Id) GROUP BY p.Id ORDER BY p.Id DESC