I don't have enough context to write an accurate overview of "457." The word "457" could refer to many different things (a year, a plan type, a code, a statute, etc.), and you've only provided "year" as context, which isn't sufficient to determine which meaning is intended or what facts would be relevant. Could you clarify what specific "457" you'd like me to explain?
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).