Q8, run 2026-11-05-1235-haiku

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What is the ultimate parent of the Tessel Laboratory for Ocean Sensing (I04)?

Tests: Hierarchy: three levels up, lab to centre to university to system.

Expected: parent = I01

✅ R1 csv run 1 graded by code

I01. I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R1 csv run 2 graded by code

I01.
*Reasoning:* I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R1 csv run 3 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R1 csv run 4 graded by code

I01. I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R1 csv run 5 graded by code

I01. I04 sits under I03, which sits under I02, which sits under I01.

JSON: {"parent": "I01"}

✅ R2 rdf run 1 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R2 rdf run 2 graded by code

I01. I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R2 rdf run 3 graded by code

I01. I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R2 rdf run 4 graded by code

I01. I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R2 rdf run 5 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R6 rdf+ontology run 1 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R6 rdf+ontology run 2 graded by code

I01. I04 sits under I03, which sits under I02, which sits under I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R6 rdf+ontology run 3 graded by code

I01. The chain is I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R6 rdf+ontology run 4 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R6 rdf+ontology run 5 graded by code

I01. I04 sits under I03, which sits under I02, which sits under I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R5 csv+ontology run 1 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R5 csv+ontology run 2 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R5 csv+ontology run 3 graded by code

I01. I04 sits under I03, which sits under I02, which sits under I01, the system with no parent.

JSON: {"parent": "I01"}

✅ R5 csv+ontology run 4 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R5 csv+ontology run 5 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R4 csv+markdown run 1 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R4 csv+markdown run 2 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R4 csv+markdown run 3 graded by code

I01. I04 → I03 → I02 → I01, which has no parent.

JSON: {"parent": "I01"}

✅ R4 csv+markdown run 4 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R4 csv+markdown run 5 graded by code

I01. I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R3 csv+padding run 1 graded by code

I01. I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R3 csv+padding run 2 graded by code

I01. The chain is I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R3 csv+padding run 3 graded by code

I01. I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R3 csv+padding run 4 graded by code

I01. I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R3 csv+padding run 5 graded by code

I01. The chain is I04 → I03 → I02 → I01.

JSON: {"parent": "I01"}

✅ R10 executed run 1 graded by code

I01. I04 → I03 → I02 → I01 (institution_units levels_up 3).

JSON: {"parent": "I01"}

✅ R10 executed run 2 graded by code

I01. I04 → I03 → I02 → I01 via parent_id.

JSON: {"parent": "I01"}

✅ R10 executed run 3 graded by code

I01. The parent chain is I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R10 executed run 4 graded by code

I01. I04 → I03 → I02 → I01 by parent_id, and I01 has no parent.

JSON: {"parent": "I01"}

✅ R10 executed run 5 graded by code

I01. The chain is I04 → I03 → I02 → I01, and I01 has no parent.

JSON: {"parent": "I01"}