<http://webisa.webdatacommons.org/concept/extra_rider_on+tractor>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"extra" .
<http://webisa.webdatacommons.org/concept/extra_rider_on+tractor>	<http://www.w3.org/2000/01/rdf-schema#label>	"extra rider on tractor" .
<http://webisa.webdatacommons.org/concept/extra_rider_on+tractor>	<http://webisa.webdatacommons.org/ontology#hasHead>	"rider" .
<http://webisa.webdatacommons.org/concept/extra_rider_on+tractor>	<http://webisa.webdatacommons.org/ontology#hasPostModifier>	"on tractor" .