@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_death_	skos:broader	isac:valid_solution_ .
isac:_bill_	skos:broader	isac:valid_solution_ .
isac:_idea_	skos:broader	isac:valid_solution_ .