@prefix grace: <https://w3id.org/grace/ontology/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
grace:has_option a owl:ObjectProperty ;
rdfs:label "has option"@en ;
rdfs:domain [ a owl:Class ;
owl:unionOf ( grace:event grace:object ) ] ;
rdfs:range [ a owl:Class ;
owl:unionOf ( grace:person grace:event grace:type grace:place grace:institution grace:date grace:object grace:monetary_value grace:dedication ) ] ;
rdfs:subPropertyOf grace:refers_to .