private Collection<TypedDependency> getDependencies(Tree sentenceParseTree) { final TreebankLanguagePack tlp = new PennTreebankLanguagePack(); final GrammaticalStructureFactory gsf = tlp.grammaticalStructureFactory(); final GrammaticalStructure gs = gsf.newGrammaticalStructure(sentenceParseTree); return gs.typedDependenciesCollapsed(); }