human
Retrieve the geometry of all roads.
gpt
```sparql
PREFIX :    <http://example.org/ontology#>
PREFIX geo: <http://www.opengis.net/ont/geosparql#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>

SELECT ?road ?geom
WHERE {
  ?road rdf:type :Road ;
        :hasGeometry ?geom .
}
```