| { | |
| "model": "ground", | |
| "state": { | |
| "sources": "[1] Harbour Bridge\nThe Harbour Bridge opened to traffic in March 1932 after eight years of work. It carries eight lanes of road traffic and two railway lines.\n\n[2] Harbour ferries\nFerries have crossed the harbour since the 1840s. The busiest route runs from the Quay to Manly.", | |
| "answer": "The Harbour Bridge opened in 1934 and carries two railway lines." | |
| }, | |
| "questions": { | |
| "grounding": { | |
| "type": "choice", | |
| "instructions": "Is the answer supported by the sources? Judge only from the sources, not from outside knowledge.", | |
| "criteria": { | |
| "supported": "Everything the answer claims is stated in or follows directly from the sources", | |
| "partly_supported": "Some claims are supported, but at least one is not in the sources", | |
| "contradicted": "The sources state something that conflicts with the answer", | |
| "unsupported": "The answer's main claim is not in the sources at all" | |
| } | |
| } | |
| } | |
| } | |