Q12, run 2026-11-04-2022-sonnet
What was Marlow Utilities' rating on 1 January 2024?
Tests: Time: the rating on a date before a later downgrade.
Expected: rating = A-
csv run 1
A-. This is the rating assigned on 2023-01-15 (A34).
JSON: {"rating": "A-"}
csv run 2
A-. A34 assigned it on 2023-01-15, before the A36 downgrade.
JSON: {"rating": "A-"}
csv run 3
A-, from A34 (2023-01-15).
JSON: {"rating": "A-"}
csv run 4
A-, assigned 2023-01-15 (A34).
JSON: {"rating": "A-"}
csv run 5
A-, from A34 (2023-01-15).
JSON: {"rating": "A-"}
csv+markdown run 1
A-. A34 (2023-01-15) assigned A- and the downgrade came later.
JSON: {"rating": "A-"}
csv+markdown run 2
A-, from A34.
JSON: {"rating": "A-"}
csv+markdown run 3
A-. It was assigned on 2023-01-15 (A34).
JSON: {"rating": "A-"}
csv+markdown run 4
A-. E14 was assigned A- on 2023-01-15 (A34).
JSON: {"rating": "A-"}
csv+markdown run 5
A-. A34 assigned A- on 2023-01-15, before the downgrade.
JSON: {"rating": "A-"}
executed run 1
A-. E14's A- ran from 2023-01-15 to 2024-09-30 (A34).
JSON: {"rating": "A-"}
executed run 2
A-. E14 held A- from 2023-01-15 to 2024-09-30 (A34).
JSON: {"rating": "A-"}
executed run 3
A-. A34 (A-, valid 2023-01-15 to 2024-09-30) covers that date.
JSON: {"rating": "A-"}
executed run 4
A-. E14 was A- from 2023-01-15 to 2024-09-30 (A34).
JSON: {"rating": "A-"}
executed run 5
A- (A34).
JSON: {"rating": "A-"}
csv+axioms run 1
A-. A34 assigned A- on 2023-01-15, before the downgrade.
JSON: {"rating": "A-"}
csv+axioms run 2
A-, from A34 (2023-01-15).
JSON: {"rating": "A-"}
csv+axioms run 3
A-, from A34 (2023-01-15).
JSON: {"rating": "A-"}
csv+axioms run 4
A-, from A34.
JSON: {"rating": "A-"}
csv+axioms run 5
A-, from A34.
JSON: {"rating": "A-"}