Response review
Claude · free, login_required, browser · local_node
Who are my U.S. senators in Washington?
Your two U.S. senators, representing Massachusetts in Washington, D.C., are: Elizabeth Warren (D) – serving since 2013 Ed Markey (D) – serving since 2013 A quick note: Markey is up for reelection this year — the 2026 Massachusetts Senate election will be held on November 3, 2026, with primaries on September 1, 2026. Markey is running for a third full term and has said this would be his last if reelected, while facing a primary challenge from Rep. Seth Moulton. Wikipedia Wikipedia
Cited sources
Grade
Judge
inaccurate
Judge model claude-opus-4-8
The question asks about Washington state senators (Maria Cantwell and Patty Murray), but the response gives Massachusetts senators (Warren and Markey), which is entirely wrong.
no_source
Human
not reviewed
Final
inaccurate
Ground truth
senators: Maria Cantwell, Patty Murray
senate.gov 100
as of 2026-07-14
https://www.senate.gov/general/contact_information/senators_cfm.xml