Q57, run 2026-11-04-2024-sonnet-query

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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

✅ D1 sql run 1 graded by code · query session

E5002. Both chains run E5001 > E5002, then split via E5005 and E5006.

JSON: {"entity": "E5002"}

❌ D1 sql run 2 graded by code · query session

None. E5011 (root E5167) and E5013 (root E5001) share no ancestor.

JSON: {"entity": "none"}

Why: entity: expected E5002, got none

❌ D1 sql run 3 graded by code · query session

None. E5011 is in the E5167 group and E5013 is in the E5001 group, so they share no ancestor.

JSON: {"entity": "none"}

Why: entity: expected E5002, got none

❌ D2 sql+markdown run 1 graded by code · query session

E5010. Both E5013 and E5025 have it as their direct parent.

JSON: {"entity": "E5010"}

Why: entity: expected E5002, got E5010

✅ D2 sql+markdown run 2 graded by code · query session

E5002.

JSON: {"entity": "E5002"}

✅ D2 sql+markdown run 3 graded by code · query session

E5002. E5011 → E5167 (the same entity as E5005) → E5002, and E5013 → E5006 → E5002.

JSON: {"entity": "E5002"}

❌ D4 sparql run 1 graded by code · query session

(no answer found)

JSON: {"entity": "E5001"}

Why: entity: expected E5002, got E5001

✅ D4 sparql run 2 graded by code · query session

E5002, Cerid Energy plc.

JSON: {"entity": "E5002"}

❌ D4 sparql run 3 graded by code · query session

(no answer found)

JSON: {"entity": "E5167"}

Why: entity: expected E5002, got E5167

✅ D5 sparql+ontology run 1 graded by code · query session

E5002. E5011 reaches it via E5167 (the same entity as E5005), and E5013 reaches it via E5006.

JSON: {"entity": "E5002"}

✅ D5 sparql+ontology run 2 graded by code · query session

E5002. E5011's chain runs through E5167, which is the same entity as E5005, up to E5002. E5013's chain runs E5006 → E5002.

JSON: {"entity": "E5002"}

✅ D5 sparql+ontology run 3 graded by code · query session

E5002. Guven's parent E5167 is the same entity as E5002, and Telecom's chain goes through E5006 to E5002.

JSON: {"entity": "E5002"}

✅ D3 sql+executed run 1 graded by code · query session

E5002.

JSON: {"entity": "E5002"}

✅ D3 sql+executed run 2 graded by code · query session

E5002. It is 2 levels above both E5011 and E5013.

JSON: {"entity": "E5002"}

✅ D3 sql+executed run 3 graded by code · query session

E5002. It is the nearest common ancestor: E5011 reaches it via E5005, and E5013 via E5006.

JSON: {"entity": "E5002"}

✅ D6 sparql+axioms run 1 graded by code · query session

E5002.

JSON: {"entity": "E5002"}

✅ D6 sparql+axioms run 2 graded by code · query session

E5002. E5011's chain is E5005 → E5002 and E5013's is E5006 → E5002.

JSON: {"entity": "E5002"}

✅ D6 sparql+axioms run 3 graded by code · query session

E5002.

JSON: {"entity": "E5002"}