@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:tennis_ball_	skos:broader	isac:throw_object_ .
isac:_baseball_	skos:broader	isac:throw_object_ .
isac:_knife_	skos:broader	isac:throw_object_ .
isac:_rock_	skos:broader	isac:throw_object_ .
isac:_ball_	skos:broader	isac:throw_object_ .