// Path: graphene-core/src/main/java/org/lambda3/graphene/core/relation_extraction/BinaryExtraction.java
// public class BinaryExtraction {
// 	private Double confidence; //optional
// 	private String relation;
// 	private String arg1;
// 	private String arg2;
// 	private boolean isCoreExtraction;
// 
// 	public BinaryExtraction(Double confidence, String relation, String arg1, String arg2) {
// 		this.confidence = confidence;
// 		this.relation = relation;
// 		this.arg1 = arg1;
// 		this.arg2 = arg2;
// 		this.isCoreExtraction = false;
// 	}
// 
// 	public void setConfidence(double confidence) {
// 		this.confidence = confidence;
// 	}
// 
// 	public Optional<Double> getConfidence() {
// 		return Optional.ofNullable(confidence);
// 	}
// 
// 	public String getRelation() {
// 		return relation;
// 	}
// 
// 	public String getArg1() {
// 		return arg1;
// 	}
// 
// 	public String getArg2() {
// 		return arg2;
// 	}
// 
// 	public void setCoreExtraction(boolean coreExtraction) {
// 		isCoreExtraction = coreExtraction;
// 	}
// 
// 	public boolean isCoreExtraction() {
// 		return isCoreExtraction;
// 	}
// }
// 
// Path: graphene-core/src/main/java/org/lambda3/graphene/core/relation_extraction/RelationExtractor.java
// public abstract class RelationExtractor {
// 	private final Logger logger = LoggerFactory.getLogger(getClass());
// 	private static final HeadVerbFinder HEAD_VERB_FINDER = new HeadVerbFinder();
// 
// 	protected abstract List<BinaryExtraction> doExtraction(Tree parseTree);
// 
// 	public List<BinaryExtraction> extract(Tree parseTree) {
// 		Optional<String> headVerb = HEAD_VERB_FINDER.findHeadVerb(parseTree);
// 
// 		List<BinaryExtraction> extractions = doExtraction(parseTree);
// 		extractions.stream().forEach(e -> {
// 			if (headVerb.isPresent()) {
// 				e.setCoreExtraction(e.getRelation().contains(headVerb.get()) || e.getArg2().equals(headVerb.get()));
// 			} else {
// 				e.setCoreExtraction(false);
// 			}
// 		});
// 
// 		return extractions;
// 	}
// }


import org.lambda3.text.simplification.discourse.utils.parseTree.ParseTreeExtractionUtils;
import org.lambda3.text.simplification.discourse.utils.words.WordsUtils;
import java.util.ArrayList;
import java.util.List;
import edu.stanford.nlp.ling.Word;
import edu.stanford.nlp.trees.Tree;
import edu.stanford.nlp.trees.tregex.TregexMatcher;
import edu.stanford.nlp.trees.tregex.TregexPattern;
import org.lambda3.graphene.core.relation_extraction.BinaryExtraction;
import org.lambda3.graphene.core.relation_extraction.RelationExtractor;
package org.lambda3.graphene.core.relation_extraction.impl;

/*-
 * ==========================License-Start=============================
 * NestedRelationExtractor.java - Graphene Core - Lambda^3 - 2017
 * Graphene
 * %%
 * Copyright (C) 2017 Lambda^3
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * ==========================License-End===============================
 */




/**
 *
 */
public class NestedRelationExtractor extends RelationExtractor {

	@Override
// Path: graphene-core/src/main/java/org/lambda3/graphene/core/relation_extraction/BinaryExtraction.java
// public class BinaryExtraction {
// 	private Double confidence; //optional
// 	private String relation;
// 	private String arg1;
// 	private String arg2;
// 	private boolean isCoreExtraction;
// 
// 	public BinaryExtraction(Double confidence, String relation, String arg1, String arg2) {
// 		this.confidence = confidence;
// 		this.relation = relation;
// 		this.arg1 = arg1;
// 		this.arg2 = arg2;
// 		this.isCoreExtraction = false;
// 	}
// 
// 	public void setConfidence(double confidence) {
// 		this.confidence = confidence;
// 	}
// 
// 	public Optional<Double> getConfidence() {
// 		return Optional.ofNullable(confidence);
// 	}
// 
// 	public String getRelation() {
// 		return relation;
// 	}
// 
// 	public String getArg1() {
// 		return arg1;
// 	}
// 
// 	public String getArg2() {
// 		return arg2;
// 	}
// 
// 	public void setCoreExtraction(boolean coreExtraction) {
// 		isCoreExtraction = coreExtraction;
// 	}
// 
// 	public boolean isCoreExtraction() {
// 		return isCoreExtraction;
// 	}
// }
// 
// Path: graphene-core/src/main/java/org/lambda3/graphene/core/relation_extraction/RelationExtractor.java
// public abstract class RelationExtractor {
// 	private final Logger logger = LoggerFactory.getLogger(getClass());
// 	private static final HeadVerbFinder HEAD_VERB_FINDER = new HeadVerbFinder();
// 
// 	protected abstract List<BinaryExtraction> doExtraction(Tree parseTree);
// 
// 	public List<BinaryExtraction> extract(Tree parseTree) {
// 		Optional<String> headVerb = HEAD_VERB_FINDER.findHeadVerb(parseTree);
// 
// 		List<BinaryExtraction> extractions = doExtraction(parseTree);
// 		extractions.stream().forEach(e -> {
// 			if (headVerb.isPresent()) {
// 				e.setCoreExtraction(e.getRelation().contains(headVerb.get()) || e.getArg2().equals(headVerb.get()));
// 			} else {
// 				e.setCoreExtraction(false);
// 			}
// 		});
// 
// 		return extractions;
// 	}
// }


// Path: graphene-core/src/main/java/org/lambda3/graphene/core/relation_extraction/impl/NestedRelationExtractor.java
import org.lambda3.text.simplification.discourse.utils.parseTree.ParseTreeExtractionUtils;
import org.lambda3.text.simplification.discourse.utils.words.WordsUtils;
import java.util.ArrayList;
import java.util.List;
import edu.stanford.nlp.ling.Word;
import edu.stanford.nlp.trees.Tree;
import edu.stanford.nlp.trees.tregex.TregexMatcher;
import edu.stanford.nlp.trees.tregex.TregexPattern;
import org.lambda3.graphene.core.relation_extraction.BinaryExtraction;
import org.lambda3.graphene.core.relation_extraction.RelationExtractor;

package org.lambda3.graphene.core.relation_extraction.impl;

/*-
 * ==========================License-Start=============================
 * NestedRelationExtractor.java - Graphene Core - Lambda^3 - 2017
 * Graphene
 * %%
 * Copyright (C) 2017 Lambda^3
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * ==========================License-End===============================
 */




/**
 *
 */
public class NestedRelationExtractor extends RelationExtractor {

	@Override
	public List<BinaryExtraction> doExtraction(Tree parseTree) {