human
Find roads that have the same construction year as any building.
gpt
```sparql
PREFIX :       <http://example.org/ontology#>
PREFIX rdf:    <http://www.w3.org/1999/02/22-rdf-syntax-ns#>

SELECT ?road ?year
WHERE {
  ?road rdf:type :Road ;
        :hasConstructionYear ?year .
  FILTER EXISTS {
    ?b rdf:type :Building ;
       :hasConstructionYear ?year .
  }
}
```