<http://webisa.webdatacommons.org/concept/trees_grass_>	<http://www.w3.org/2000/01/rdf-schema#label>	"trees grass" .
<http://webisa.webdatacommons.org/concept/trees_grass_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"trees" .
<http://webisa.webdatacommons.org/concept/trees_grass_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"grass" .