Question: At the center of Rothesay, Bute, is what ruined castle that is described as one of the most remarkable in Scotland, and dates back to the beginning of the 13th century?
Sentence (from "Kildrummy Castle"): Though ruined, it is one of the most extensive castles dating from the 13th century to survive in eastern Scotland, and was the seat of the Earls of Mar.
Relevant evidence: No