Response review
Claude · paid, login_required, browser · local_node
Who are my U.S. senators in Massachusetts?
Your two U.S. senators from Massachusetts are: Elizabeth Warren (D) — in office since 2013 Ed Markey (D) — in office since 2013 Both are Democrats. Markey is running for a third full term in 2026, facing a primary challenge from Rep. Seth Moulton, with the primary set for September 1, 2026, and the general election on November 3, 2026. Warren's current term runs through 2031. Ballotpedia Wikipedia
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies both senators, Elizabeth Warren and Ed Markey, matching the ground truth. Additional details (Markey's dates, Warren's term) are supplementary, though some specifics like Markey's start year (2013 vs. actual 2013 special election) and future election claims are unverifiable extras.
Human
not reviewed
Final
accurate
Ground truth
senators: Edward Markey, Elizabeth Warren
senate.gov 100
as of 2026-07-14
https://www.senate.gov/general/contact_information/senators_cfm.xml