Q57, run 2026-11-04-2022-sonnet

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Which is the nearest entity that Cerid Guven Energy SA and Cerid Telecom SA both have in their chains of parents?

Tests: Paths: the nearest common ancestor, below the top of the group.

Expected: entity = E5002

✅ R1 csv run 1 graded by code

E5002. E5011 reaches it through E5167, the duplicate of E5005, and E5013 reaches it through E5006.

JSON: {"entity": "E5002"}

✅ R1 csv run 2 graded by code

E5002. Both chains run through E5002 to E5001, and E5011 reaches it via the duplicate E5167 of E5005.

JSON: {"entity": "E5002"}

✅ R1 csv run 3 graded by code

E5002 (Cerid Energy plc). E5011 reaches it via E5167/E5005 and E5013 via E5006.

JSON: {"entity": "E5002"}

✅ R1 csv run 4 graded by code

E5002. E5011's parent E5167 is the RESEARCH duplicate of E5005, which sits under E5002, and E5013 sits under E5006, also under E5002.

JSON: {"entity": "E5002"}

✅ R1 csv run 5 graded by code

E5002. E5011 reaches it via E5167 (the E5005 duplicate), and E5013 reaches it via E5006.

JSON: {"entity": "E5002"}

✅ R4 csv+markdown run 1 graded by code

E5002. E5011 reaches it via E5167/E5005 and E5013 reaches it via E5006.

JSON: {"entity": "E5002"}

✅ R4 csv+markdown run 2 graded by code

E5002. E5011 reaches it via E5167/E5005 and E5013 via E5006.

JSON: {"entity": "E5002"}

✅ R4 csv+markdown run 3 graded by code

E5002.

JSON: {"entity": "E5002"}

✅ R4 csv+markdown run 4 graded by code

E5002. E5011 goes through E5167 (E5005) to E5002, and E5013 goes through E5006 to E5002.

JSON: {"entity": "E5002"}

✅ R4 csv+markdown run 5 graded by code

E5002. E5011 and E5013 both pass through it on the way to E5001.

JSON: {"entity": "E5002"}

✅ R10 executed run 1 graded by code

E5002. It is the nearest common ancestor of E5011 and E5013 in ancestors.csv.

JSON: {"entity": "E5002"}

✅ R10 executed run 2 graded by code

E5002. E5011's chain is E5005, E5002, E5001 and E5013's is E5006, E5002, E5001.

JSON: {"entity": "E5002"}

✅ R10 executed run 3 graded by code

E5002. It is level 2 above E5011 and level 2 above E5013.

JSON: {"entity": "E5002"}

✅ R10 executed run 4 graded by code

E5002. E5011's ancestors are E5005, E5002, E5001 and E5013's are E5006, E5002, E5001.

JSON: {"entity": "E5002"}

✅ R10 executed run 5 graded by code

E5002, the nearest shared ancestor of E5011 and E5013.

JSON: {"entity": "E5002"}

✅ R8 csv+axioms run 1 graded by code

E5002.

JSON: {"entity": "E5002"}

✅ R8 csv+axioms run 2 graded by code

E5002.

JSON: {"entity": "E5002"}

✅ R8 csv+axioms run 3 graded by code

E5002. E5011's chain runs through E5005 and E5013's through E5006, and both meet at E5002.

JSON: {"entity": "E5002"}

✅ R8 csv+axioms run 4 graded by code

E5002. E5011's chain runs E5005, E5002 and E5013's runs E5006, E5002.

JSON: {"entity": "E5002"}

✅ R8 csv+axioms run 5 graded by code

E5002.

JSON: {"entity": "E5002"}