Response review
ChatGPT · paid, login_required, browser · local_node
Who are my U.S. senators in Massachusetts?
If you're a resident of Massachusetts, your two U.S. senators are: Elizabeth Warren (Democrat) Edward J. Markey (Democrat) They currently represent Massachusetts in the U.S. Senate. senate.gov If you'd like, I can also tell you who your U.S. House representative is based on your city or ZIP code.
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies both Massachusetts senators, Elizabeth Warren and Edward J. Markey, matching the ground truth.
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