Response review

ChatGPT · free, login_required, browser · local_node

All responses

Who is my U.S. representative in IL-12?

Captured 2026-07-15 06:50:55 UTC Model ChatGPT Source page 
If you're in Illinois's 12th Congressional District (IL-12), your U.S. representative is:

Mike Bost

Party: Republican

In office since: 2015

District: Covers much of southern Illinois, including communities such as Carbondale, Marion, Centralia, and parts of the Metro East region. 
Wikipedia
+1

If you're not certain you're actually in IL-12, tell me your ZIP code (or your full address), and I can confirm your congressional district and representative.

Cited sources

Grade

Judge accurate

Judge model claude-opus-4-8

The response correctly identifies Mike Bost as the U.S. representative for IL-12, matching the ground truth.

Human not reviewed
Final accurate

Ground truth

representative: Mike Bost

clerk.house.gov 100 as of 2026-07-07

https://clerk.house.gov/xml/lists/MemberData.xml

Confirm or override

The human verdict is authoritative — it becomes the final verdict.